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Geography · PhysicalHigh-freq Prelims

The Himalayas

Formation, the three ranges, regional divisions, the Purvanchal, and their five-fold significance.

📖 7 min readNew · Jun 2026
Geography · DrainageHigh-freq Prelims

Himalayan River Systems

Indus, Ganga and Brahmaputra — sources, tributaries, and why they’re perennial and antecedent.

📖 7 min readNew · Jun 2026
Geography · EcologyPrelims & GS-3

Western Ghats

The Sahyadris — biodiversity hotspot, orographic rainfall, Anamudi, and the Gadgil/Kasturirangan debate.

📖 6 min readNew · Jun 2026
Geography · RiversPrelims map

Krishna River

Source, tributaries, major dams, and the four-state Krishna water dispute.

📖 6 min readNew · Jun 2026
Geography · RiversPrelims & GS-2

Kaveri River

Talakaveri to the delta, and the Cauvery water dispute (2018 verdict, CWMA).

📖 6 min readNew · Jun 2026
Geography · AgricultureHigh-freq Prelims

Soils of India

Alluvial, black, red & yellow, laterite and more — distribution, crops and conservation.

📖 7 min readNew · Jun 2026
Geography · AgriculturePrelims & GS-3

Indian Agriculture

Kharif, rabi & zaid seasons, types of farming, the Green Revolution and its legacy.

📖 7 min readNew · Jun 2026
Geography · EconomicPrelims

Mineral Resources of India

Distribution of coal, iron, bauxite, mica & oil — and the critical-minerals turn (lithium, KABIL).

📖 6 min readNew · Jun 2026
Geography · ClimateHigh-freq Prelims

El Niño, La Niña & the IOD

The ocean drivers of the monsoon — ENSO, the Walker circulation, and the Indian Ocean Dipole.

📖 7 min readNew · Jun 2026
Geography · DisasterPrelims & GS-3

Tropical Cyclones in India

Formation, why the Bay of Bengal dominates, naming, and India’s early-warning success.

📖 6 min readNew · Jun 2026
Geography · DisasterPrelims & GS-3

Earthquakes & Seismic Zones

Why India shakes, the four BIS seismic zones, and earthquake risk reduction.

📖 6 min readNew · Jun 2026
Geography · DisasterPrelims & GS-3

Droughts & Floods in India

Types of drought, flood causes, the most-affected regions, and disaster management.

📖 6 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Governor-Generals & Viceroys

From Warren Hastings to Mountbatten — who ruled, and the reforms tied to each.

📖 6 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Drain of Wealth

Naoroji’s drain theory, deindustrialisation, land-revenue systems and famines.

📖 6 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Constitutional Development

From the Regulating Act 1773 to the GoI Act 1935 — the landmark acts.

📖 7 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Rowlatt & Jallianwala Bagh

The ‘black act’, the 1919 massacre, and the turn to Non-Cooperation.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Home Rule Movement

Tilak & Annie Besant’s leagues and the demand for self-government.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Moderates & Extremists

Two phases of the Congress, Lal-Bal-Pal, and the Surat Split of 1907.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Peasant & Tribal Movements

Indigo, Champaran, Bardoli, Santhal and Birsa Munda’s ulgulan.

📖 6 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Dalit Movement & Ambedkar

Phule, Ambedkar, the Mahad Satyagraha and the Poona Pact.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Women in the Freedom Struggle

From Rani Lakshmibai to Sarojini Naidu, Aruna Asaf Ali and Lakshmi Sahgal.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Gandhian Philosophy & Satyagraha

Truth, ahimsa, satyagraha, trusteeship and Sarvodaya.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Cabinet Mission to Independence

1946-47 — the Cabinet Mission, Mountbatten Plan and partition.

📖 6 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Left Movement & Trade Unions

The AITUC, the CPI, the Congress Socialist Party, and labour politics.

📖 5 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Revolt of 1857

India’s first great uprising — its four-fold causes, the leaders and centres, and how it ended Company rule.

📖 8 min readNew · Jun 2026
Modern History · ReformPrelims & GS-1

Socio-Religious Reform Movements

The 19th-century awakening — Brahmo Samaj, Arya Samaj, Ramakrishna Mission, Aligarh, Phule and more.

📖 8 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Indian National Congress

From the 1885 founding through Moderates, Extremists (Lal-Bal-Pal), the Surat Split and Lucknow Pact.

📖 7 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Partition of Bengal & Swadeshi

The 1905 divide-and-rule move, the Swadeshi & Boycott movement, and the 1911 annulment.

📖 6 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Gandhi’s Early Movements

Champaran, Ahmedabad and Kheda satyagrahas, the Rowlatt agitation and Jallianwala Bagh.

📖 7 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Non-Cooperation & Khilafat

India’s first mass movement (1920-22), its programme, and the withdrawal after Chauri Chaura.

📖 6 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Civil Disobedience Movement

The Dandi Salt March, the Round Table Conferences, the Poona Pact and the GoI Act 1935.

📖 7 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Quit India Movement (1942)

The “Do or Die” call, the leaderless mass uprising, and the parallel governments.

📖 6 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Revolutionary Nationalism

The armed struggle — Ghadar, HSRA, Bhagat Singh, the Assembly bomb and the Chittagong raid.

📖 7 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Subhas Chandra Bose & the INA

Netaji, the Forward Bloc, Azad Hind, “Give me blood…”, “Dilli Chalo” and the INA trials.

📖 6 min readNew · Jun 2026
Modern History · Freedom StrugglePrelims & GS-1

Independence & Partition (1947)

Cabinet Mission, the Mountbatten Plan, the Indian Independence Act and the Radcliffe Line.

📖 6 min readNew · Jun 2026
Modern History · Nation-BuildingPrelims & GS-1

Integration of Princely States

Sardar Patel, V.P. Menon, the Instrument of Accession, and Junagadh, Hyderabad & Kashmir.

📖 6 min readNew · Jun 2026
Art & Culture · DanceHigh-frequency Prelims

Classical Dance Forms

All eight classical dances — Bharatanatyam to Sattriya — with states, features and the Natya Shastra.

📖 7 min readNew · Jun 2026
Art & Culture · MusicPrelims & GS-1

Indian Classical Music

Hindustani vs Carnatic, raga and tala, the Carnatic Trinity, gharanas and instruments.

📖 7 min readNew · Jun 2026
Art & Culture · LiteraturePrelims & GS-1

Classical & Sanskrit Literature

Vedas, epics & Puranas, Kalidasa, Sangam works, and Buddhist/Jain texts.

📖 6 min readNew · Jun 2026
Art & Culture · LiteraturePrelims & GS-1

Modern Indian Literature

Bhakti vernaculars, Tagore & Premchand, the 8th Schedule and the Jnanpith.

📖 5 min readNew · Jun 2026
Art & Culture · LanguagesPrelims & GS-1

Classical Languages

The criteria for classical status and India’s recognised classical languages.

📖 4 min readNew · Jun 2026
Art & Culture · PhilosophyPrelims & GS-1

Indian Philosophy

The six orthodox (astika) schools and the heterodox (nastika) systems.

📖 5 min readNew · Jun 2026
Art & Culture · TraditionsPrelims & GS-1

Festivals & Fairs

Harvest, religious & tribal festivals, and great fairs like the Kumbh Mela.

📖 5 min readNew · Jun 2026
Art & Culture · Performing ArtsPrelims & GS-1

Indian Theatre

The Natyashastra, Koodiyattam, and folk forms — Jatra, Nautanki, Yakshagana.

📖 5 min readNew · Jun 2026
Art & Culture · TraditionsPrelims & GS-1

Martial Arts

Kalaripayattu, Silambam, Gatka, Thang-Ta and other warrior traditions.

📖 4 min readNew · Jun 2026
Art & Culture · CinemaPrelims & GS-1

Indian Cinema

From Dadasaheb Phalke to Satyajit Ray — cinema as culture and soft power.

📖 4 min readNew · Jun 2026
Art & Culture · CraftsPrelims & GS-1

Textiles & Weaves

Banarasi, Kanjeevaram, Pashmina, Chikankari, Bandhani and GI-tagged weaves.

📖 5 min readNew · Jun 2026
Art & Culture · ArchitecturePrelims & GS-1

Indo-Islamic Architecture

Arches, domes & charbaghs — the Sultanate, provincial and Mughal styles.

📖 5 min readNew · Jun 2026
Art & Culture · HeritagePrelims & GS-1

Cultural Institutions

The ASI, the Akademis, and UNESCO World & Intangible Heritage.

📖 5 min readNew · Jun 2026
Art & Culture · SourcesPrelims & GS-1

Coins & Inscriptions

Numismatics & epigraphy — Ashokan edicts, Gupta gold, and historical sources.

📖 5 min readNew · Jun 2026
Art & Culture · ArchitectureHigh-frequency Prelims

Temple Architecture

Nagara, Dravida and Vesara styles — shikhara, vimana, gopuram — and the patron dynasties.

📖 7 min readNew · Jun 2026
Art & Culture · ArchitecturePrelims & GS-1

Rock-cut Cave Architecture

Barabar, Ajanta, Ellora’s monolithic Kailasa and Elephanta’s Trimurti.

📖 6 min readNew · Jun 2026
Art & Culture · ArchitecturePrelims & GS-1

Buddhist Stupa Architecture

The stupa and its parts, Sanchi & Amaravati, and the chaitya–vihara distinction.

📖 6 min readNew · Jun 2026
Art & Culture · SculptureHigh-frequency Prelims

Indian Sculpture Schools

Mauryan court art, the Gandhara–Mathura–Amaravati schools, and Gupta classicism.

📖 6 min readNew · Jun 2026
Art & Culture · PaintingPrelims & GS-1

Indian Painting Traditions

From Ajanta’s murals to the Mughal, Rajput, Pahari and Deccan miniatures, and the Bengal School.

📖 6 min readNew · Jun 2026
Art & Culture · Folk ArtsPrelims & GS-1

Folk & Tribal Art

Madhubani, Warli, Pattachitra, Kalamkari, Phad, Gond, Tanjore and Kalighat — by region.

📖 6 min readNew · Jun 2026
Art & Culture · CraftsPrelims & GS-3

Handicrafts, Textiles & GI Tags

Famous handlooms and crafts, the GI Act 1999, and Darjeeling tea as India’s first GI.

📖 6 min readNew · Jun 2026
Art & Culture · Performing ArtsPrelims & GS-1

Puppetry & Folk Theatre

The four puppet types and folk theatre — Yakshagana, Nautanki, Tamasha, Jatra, Koodiyattam.

📖 6 min readNew · Jun 2026
Art & Culture · HeritageCurrent-affairs linked

UNESCO World Heritage Sites

India’s 40+ cultural, natural and mixed sites, the 1972 Convention, and recent inscriptions.

📖 6 min readNew · Jun 2026
Art & Culture · Medieval HistoryPrelims & GS-1

Bhakti & Sufi Movements

Alvars & Nayanars, nirguna vs saguna saints, the Sufi silsilas, and their message of harmony.

📖 7 min readNew · Jun 2026
Ethics · TheoryGS-4

Normative Ethical Theories

Consequentialism, deontology (Kant) & virtue ethics (Aristotle) — strengths & uses.

📖 6 min readNew · Jun 2026
Ethics · ValuesGS-4

Integrity

Meaning & dimensions of integrity, threats, and how to build an ethical administration.

📖 5 min readNew · Jun 2026
Ethics · ValuesGS-4

Objectivity & Impartiality

Facts vs bias, equal treatment, and political neutrality — and how to uphold them.

📖 5 min readNew · Jun 2026
Ethics · ValuesGS-4

Empathy, Compassion & Tolerance

Empathy vs sympathy, compassion toward weaker sections, and pluralist tolerance.

📖 5 min readNew · Jun 2026
Ethics · ConceptsGS-4

Conscience & Moral Reasoning

The inner voice, the three sources of guidance, and Kohlberg’s moral stages.

📖 5 min readNew · Jun 2026
Ethics · ApplicationGS-4

Ethical Dilemmas

Right-vs-right clashes, common admin dilemmas, and a resolution framework.

📖 5 min readNew · Jun 2026
Ethics · GovernanceGS-4

Code of Ethics vs Conduct

Values vs rules, India’s conduct rules, and the Nolan principles.

📖 5 min readNew · Jun 2026
Ethics · GovernanceGS-4

Conflict of Interest

Actual/potential/perceived, the revolving door, and managing it (recusal, disclosure).

📖 5 min readNew · Jun 2026
Ethics · GovernanceGS-4

Whistleblowing

Conscience vs loyalty, the Whistle Blowers Protection Act, and the retaliation risk.

📖 5 min readNew · Jun 2026
Ethics · GovernanceGS-4

Work Culture & Citizen Charter

Organisational values, the citizen’s charter, and citizen-centric service delivery.

📖 5 min readNew · Jun 2026
Ethics · AppliedGS-4

Environmental Ethics

Anthropocentric vs ecocentric, intergenerational equity, and Indian traditions.

📖 5 min readNew · Jun 2026
Ethics · TheoryGS-4

Distributive Justice & Rights

Rawls’ veil of ignorance, Sen’s capabilities, and the rights-duties balance.

📖 5 min readNew · Jun 2026
Ethics GS-4 · FoundationsGS-4 core

Ethics & Human Interface

Essence of ethics, ethics vs morals vs values vs law, the dimensions, and the determinants of ethics.

📖 8 min readNew · Jun 2026
Ethics GS-4 · ValuesGS-4 core

Human Values

Sources of values and the role of family, society and education — with lessons from great lives.

📖 7 min readNew · Jun 2026
Ethics GS-4 · AttitudeGS-4 core

Attitude

ABC components, Katz’s functions, persuasion & attitude change, and moral and political attitudes.

📖 7 min readNew · Jun 2026
Ethics GS-4 · Civil ServiceGS-4 core

Aptitude & Civil-Service Values

Integrity, impartiality & non-partisanship, objectivity, dedication, empathy, tolerance & compassion.

📖 7 min readNew · Jun 2026
Ethics GS-4 · EIGS-4 core

Emotional Intelligence

Goleman’s five components, EI vs IQ, and its application in administration and governance.

📖 7 min readNew · Jun 2026
Ethics GS-4 · ThinkersGS-4 core

Moral Thinkers & Philosophers

Indian and world thinkers — Gandhi, Kautilya, Kant, Mill, Rawls, Kohlberg — and the three schools.

📖 8 min readNew · Jun 2026
Ethics GS-4 · AdministrationGS-4 core

Ethics in Public Administration

Ethical concerns and dilemmas, and laws, rules, regulations & conscience as sources of guidance.

📖 7 min readNew · Jun 2026
Ethics GS-4 · GovernanceGS-4 core

Accountability & Ethical Governance

Types of accountability, ethical governance, and tools that strengthen moral values in governance.

📖 6 min readNew · Jun 2026
Ethics GS-4 · ProbityGS-4 core

Probity in Governance

Concept of public service, RTI & transparency, codes, citizen’s charters and use of public funds.

📖 7 min readNew · Jun 2026
Ethics GS-4 · ProbityGS-4 & GS-2

Corruption — Causes & Remedies

Types of corruption, Klitgaard’s formula, effects, and the anti-corruption framework.

📖 7 min readNew · Jun 2026
Ethics GS-4 · IR & CorporateGS-4 core

Ethics in IR & Corporate Governance

Ethical issues in international relations and funding, plus corporate governance and CSR.

📖 6 min readNew · Jun 2026
Ethics GS-4 · Case StudiesGS-4 Section B

GS-4 Case-Study Approach

A six-step framework — facts, stakeholders, dilemma, options, evaluation, justified decision.

📖 7 min readNew · Jun 2026
Economy · Public FinanceHigh-frequency

Goods and Services Tax (GST)

One nation, one tax — CGST/SGST/IGST, the GST Council (Art 279A), slabs, and what GST subsumed.

📖 7 min readNew · Jun 2026
Economy · Public FinancePrelims & GS-3

Taxation in India

Direct vs indirect taxes, progressive vs regressive, tax-GDP ratio, and the CBDT/CBIC.

📖 6 min readNew · Jun 2026
Economy · Public FinanceHigh-frequency

Union Budget

Article 112, revenue vs capital budget, and the revenue, fiscal & primary deficits.

📖 7 min readNew · Jun 2026
Economy · Public FinancePrelims & GS-3

Fiscal Policy & FRBM

Expansionary vs contractionary, counter-cyclical policy, and the FRBM Act 2003.

📖 6 min readNew · Jun 2026
Economy · Money & BankingHigh-frequency

Monetary Policy & RBI Tools

Repo, reverse repo, MSF, CRR, SLR, OMO — and the MPC’s 4% ±2% inflation target.

📖 7 min readNew · Jun 2026
Economy · External SectorPrelims & GS-3

Balance of Payments & Forex

Current vs capital account, the CAD, forex-reserve components, and rupee convertibility.

📖 6 min readNew · Jun 2026
Economy · Financial SystemPrelims & GS-3

Financial Markets

Money market vs capital market, primary vs secondary, and the RBI/SEBI divide.

📖 6 min readNew · Jun 2026
Economy · Financial SystemPrelims & GS-3

Financial Regulators

RBI, SEBI, IRDAI and PFRDA — who regulates what — and the FSDC.

📖 6 min readNew · Jun 2026
Economy · Inclusive GrowthPrelims & GS-3

Poverty & Unemployment

Poverty estimation (Tendulkar/Rangarajan, MPI), unemployment types, and the PLFS.

📖 7 min readNew · Jun 2026
Economy · External SectorPrelims & GS-3

Foreign Trade, FDI & FPI

Balance of trade, Foreign Trade Policy, and FDI vs FPI (automatic & government routes).

📖 6 min readNew · Jun 2026
Economy · AgriculturePrelims & GS-3

Agriculture, MSP & Food Security

MSP & CACP, FCI procurement, buffer stocks, and the PDS/NFSA 2013.

📖 7 min readNew · Jun 2026
Economy · PlanningPrelims & GS-3

Planning in India

The Planning Commission and Five Year Plans (Mahalanobis), and the 2015 shift to NITI Aayog.

📖 6 min readNew · Jun 2026
Polity · FederalismHigh-frequency

Centre-State Relations

Legislative, administrative & financial relations, the three lists, and Sarkaria/Punchhi.

📖 7 min readNew · Jun 2026
Polity · Constitutional BodiesHigh-frequency

Election Commission of India

Article 324, composition & independence, the Model Code of Conduct, and recent reforms.

📖 6 min readNew · Jun 2026
Polity · ParliamentPrelims & GS-2

Anti-Defection Law

The Tenth Schedule, grounds for disqualification, the 91st Amendment, and Kihoto Hollohan.

📖 6 min readNew · Jun 2026
Polity · Constitutional BodiesPrelims & GS-2

Comptroller & Auditor General

Article 148, the guardian of the public purse, audit types, and the CAG–PAC link.

📖 6 min readNew · Jun 2026
Polity · Constitutional BodiesPrelims & GS-2

Union Public Service Commission

Articles 315-323, composition, the advisory role, and removal under Article 317.

📖 6 min readNew · Jun 2026
Polity · Constitutional OfficesPrelims & GS-2

Attorney General of India

Article 76, the highest law officer — qualifications, duties, rights, and AG vs Solicitor General.

📖 5 min readNew · Jun 2026
Polity · ConstitutionPrelims & GS-2

Citizenship in India

Articles 5-11, single citizenship, the Citizenship Act 1955, and the OCI scheme.

📖 6 min readNew · Jun 2026
Polity · ExecutivePrelims & GS-2

Vice-President of India

Articles 63-71, the electoral college, Rajya Sabha Chairman, and acting as President.

📖 5 min readNew · Jun 2026
Polity · ConstitutionHigh-frequency

Basic Structure Doctrine

Kesavananda Bharati (1973), Article 368, the elements, and Minerva Mills.

📖 6 min readNew · Jun 2026
Polity · ConstitutionHigh-frequency

Schedules of the Constitution

All twelve Schedules — from the First (states) to the Twelfth (municipalities).

📖 6 min readNew · Jun 2026
Polity · Local GovernmentPrelims & GS-2

74th Amendment (Urban Local Govt)

Municipalities, the three urban-body types, the Twelfth Schedule, and SEC/State Finance Commission.

📖 6 min readNew · Jun 2026
Polity · JudiciaryPrelims & GS-2

High Courts & Subordinate Judiciary

Articles 214-231, the wider Article 226 writ power, and India’s integrated judiciary.

📖 6 min readNew · Jun 2026
Full Forms · BankingReference

Banking & Finance Full Forms

RBI, NEFT, RTGS, IMPS, UPI, CRR, SLR, NPA, NBFC and more — with one-line meanings.

📖 6 min readNew · Jun 2026
Full Forms · EconomyReference

Economy & Trade Full Forms

GDP, GNP, GST, FDI, FPI, IPO, SEBI, MSME, PLI, BoP, CAD and more.

📖 6 min readNew · Jun 2026
Full Forms · PolityReference

Polity & Governance Full Forms

RTI, PIL, CAG, CVC, UPSC, NHRC, IAS/IPS/IFS, NITI and more.

📖 6 min readNew · Jun 2026
Full Forms · GovernanceReference

Govt Bodies & Agencies Full Forms

CBI, ED, NIA, RAW, IB, NDMA, NDRF, TRAI, UIDAI and more.

📖 6 min readNew · Jun 2026
Full Forms · IRReference

International Organisations Full Forms

UN, UNSC, WHO, WTO, IMF, World Bank, SAARC, ASEAN, BRICS, OPEC and more.

📖 6 min readNew · Jun 2026
Full Forms · Sci-TechReference

Science & Technology Full Forms

DNA, RNA, AI, ML, LASER, RADAR, SONAR, GPS, LED and more.

📖 5 min readNew · Jun 2026
Full Forms · DefenceReference

Space & Defence Full Forms

ISRO, DRDO, PSLV, GSLV, HAL, NAVIC, IRNSS, INS, CDS and more.

📖 5 min readNew · Jun 2026
Full Forms · EnvironmentReference

Environment & Energy Full Forms

UNFCCC, IPCC, COP, NDC, CITES, CBD, IUCN, NTPC, ONGC, ISA and more.

📖 5 min readNew · Jun 2026
Full Forms · EducationReference

Education & Exams Full Forms

UGC, NCERT, CBSE, AICTE, NTA, NEET, JEE, CUET, NEP, NIRF and more.

📖 5 min readNew · Jun 2026
Full Forms · HealthReference

Health & Medicine Full Forms

WHO, ICMR, AIIMS, NMC, AYUSH, NHM, ASHA, ANM, ECG, MRI and more.

📖 5 min readNew · Jun 2026
Full Forms · DigitalReference

IT & Digital India Full Forms

HTTP, HTML, URL, IP, VPN, OTP, UPI, DBT, JAM, ONDC and more.

📖 5 min readNew · Jun 2026
Full Forms · SchemesReference

Government Schemes Full Forms

MGNREGA, PMAY, PMJDY, PM-KISAN, PMGSY, PMUY, PMFBY, APY and more.

📖 6 min readNew · Jun 2026
Geography · ClimatologyPrelims & Mains

Humidity & Precipitation

Evaporation & condensation, relative humidity, cloud types, and the three rainfall types.

📖 5 min readNew · Jun 2026
Geography · BiogeographyPrelims & Mains

Natural Vegetation

Forest types by rainfall — evergreen, deciduous, thorn, montane and mangrove.

📖 5 min readNew · Jun 2026
Geography · HydrologyPrelims & Mains

Drainage Systems

Himalayan vs Peninsular rivers, drainage patterns, and antecedent drainage.

📖 5 min readNew · Jun 2026
Geography · CoastalPrelims & Mains

Coral Reefs & Mangroves

Reef types & coral bleaching, mangrove blue-carbon ecosystems, and conservation.

📖 5 min readNew · Jun 2026
Geography · EconomicPrelims & Mains

Water Resources

18% population vs 4% freshwater — groundwater stress, irrigation, and conservation.

📖 5 min readNew · Jun 2026
Geography · EconomicPrelims & Mains

Energy Resources

Coal/oil/gas/hydro/nuclear & renewables — energy security and the 500 GW transition.

📖 5 min readNew · Jun 2026
Geography · EconomicPrelims & Mains

Industrial Regions

Location factors, the major industrial belts, and corridors like the DMIC.

📖 5 min readNew · Jun 2026
Geography · EconomicPrelims & Mains

Transport & Communication

Road/rail/water/air/pipelines — Golden Quadrilateral, Sagarmala, UDAN, BharatNet.

📖 5 min readNew · Jun 2026
Geography · HumanPrelims & Mains

World Population & Migration

Distribution & density, the demographic transition, and push-pull migration.

📖 5 min readNew · Jun 2026
Geography · GeomorphologyPrelims & Mains

Major Landforms

Mountains/plateaus/plains, endogenic vs exogenic forces, and the agents of gradation.

📖 5 min readNew · Jun 2026
Geography · FundamentalsPrelims & Mains

Latitudes, Longitudes & Time

The geographic grid, key parallels, the 15°=1hr rule, the IDL, and IST.

📖 5 min readNew · Jun 2026
Geography · EconomicPrelims & Mains

World Agriculture

Subsistence vs commercial farming, plantation & shifting cultivation, and crop belts.

📖 5 min readNew · Jun 2026
Geography · ClimatologyHigh-frequency

The Indian Monsoon

The mechanism (ITCZ, differential heating), the two branches, and El Niño/La Niña links.

📖 7 min readNew · Jun 2026
Geography · GeomorphologyPrelims & GS-1

Interior of the Earth

Crust, mantle and core; seismic-wave evidence; the Moho and asthenosphere.

📖 6 min readNew · Jun 2026
Geography · GeomorphologyHigh-frequency

Plate Tectonics

Continental drift, sea-floor spreading, plate boundaries, and how the Himalayas formed.

📖 7 min readNew · Jun 2026
Geography · GeomorphologyPrelims & GS-1

Volcanoes

How they form, shield vs composite, volcanic landforms, and the Ring of Fire.

📖 6 min readNew · Jun 2026
Geography · GeomorphologyPrelims & GS-1

Rocks & the Rock Cycle

Igneous, sedimentary and metamorphic rocks — formation, examples and the cycle.

📖 6 min readNew · Jun 2026
Geography · ClimatologyPrelims & GS-1

Atmosphere & Winds

Atmospheric layers, pressure belts, planetary winds, jet streams and local winds.

📖 6 min readNew · Jun 2026
Geography · OceanographyPrelims & GS-1

Ocean Currents

What drives them, warm vs cold currents, and their effects on climate and fisheries.

📖 6 min readNew · Jun 2026
Geography · OceanographyPrelims & GS-1

Ocean Floor & Salinity

Ocean-floor relief, temperature and the salinity of ocean water.

📖 6 min readNew · Jun 2026
Geography · ClimatologyPrelims & GS-1

World Climatic Regions

Equatorial, monsoon, Mediterranean, desert, tundra and more — plus Köppen.

📖 6 min readNew · Jun 2026
Geography · Human GeographyPrelims & GS-1

Population of India

Distribution & density, the demographic transition, and the demographic dividend.

📖 6 min readNew · Jun 2026
Geography · Human GeographyPrelims & GS-1/2

Urbanisation in India

Trends, the settlement classification, the challenges, and Smart Cities/AMRUT.

📖 6 min readNew · Jun 2026
Geography · World GeographyPrelims (mapping)

World Physical Geography

Continents & oceans, major mountains, rivers, deserts, straits and canals.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

Renaissance & Reformation

Humanism, the printing press, Martin Luther — and the dawn of the modern age.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

American Revolution

No taxation without representation, the Declaration of 1776, and the first modern republic.

📖 6 min readNew · Jun 2026
World HistoryHigh-frequency

French Revolution (1789)

Causes, the Bastille, the Rights of Man, and Liberty, Equality, Fraternity.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

Russian Revolution (1917)

February & October revolutions, Lenin’s “Peace, Land, Bread,” and the birth of the USSR.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

Unification of Germany & Italy

Mazzini, Cavour, Garibaldi and Bismarck’s “blood and iron” — the age of nationalism.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

Rise of Fascism & Nazism

Mussolini and Hitler, the role of Versailles and the Depression, and the road to WWII.

📖 6 min readNew · Jun 2026
World HistoryPrelims & GS-1

The Great Depression (1929)

The Wall Street Crash, the causes, the New Deal, and the rise of fascism.

📖 6 min readNew · Jun 2026
Post-Independence IndiaPrelims & GS-1

States Reorganisation (1956)

The linguistic-states demand, the Fazl Ali Commission, and the SR Act 1956.

📖 6 min readNew · Jun 2026
Post-Independence IndiaPrelims & GS-1

India’s Wars (1962, 1965, 1971)

The Sino-Indian War, the 1965 war (Tashkent), and 1971 & the birth of Bangladesh.

📖 6 min readNew · Jun 2026
Post-Independence · IRPrelims & GS-2

Foreign Policy & NAM

Non-alignment, Panchsheel, the founding of NAM, and strategic autonomy today.

📖 6 min readNew · Jun 2026
Post-Independence · PolityPrelims & GS-2

The Emergency (1975)

The proclamation, rights suspended, the 42nd Amendment, and the 44th Amendment safeguards.

📖 6 min readNew · Jun 2026
Post-Independence · EconomyPrelims & GS-3

Economic Reforms of 1991 (LPG)

The BoP crisis, Liberalisation/Privatisation/Globalisation, and the end of the License Raj.

📖 6 min readNew · Jun 2026
Environment · ClimatePrelims & Mains

NAPCC

India’s climate roadmap — the eight national missions, SAPCCs, NDCs and net-zero 2070.

📖 5 min readNew · Jun 2026
Environment · ClimatePrelims & Mains

Carbon Markets & Finance

Carbon pricing, cap-and-trade, Article 6, India’s CCTS, and climate-finance funds.

📖 6 min readNew · Jun 2026
Environment · AtmospherePrelims & Mains

Ozone & Montreal Protocol

The ozone layer, CFCs & the ozone hole, the Montreal Protocol and Kigali Amendment.

📖 5 min readNew · Jun 2026
Environment · GovernancePrelims & Mains

Environmental Bodies

MoEFCC, CPCB & NGT, NBA — and global bodies UNEP, IPCC and IUCN.

📖 5 min readNew · Jun 2026
Environment · CoastalPrelims & Mains

Coastal Regulation Zone

The CRZ notification, the four categories, the CZMAs and the 2019 changes.

📖 5 min readNew · Jun 2026
Environment · ConservationPrelims & Mains

Eco-Sensitive Zones

Buffer ‘shock-absorbers’ around protected areas — activities and conflicts.

📖 5 min readNew · Jun 2026
Environment · LandPrelims & Mains

Desertification

Causes & impacts, the UNCCD, Land Degradation Neutrality, and India’s status.

📖 5 min readNew · Jun 2026
Environment · EcosystemsPrelims & Mains

Wetlands Conservation

The ‘kidneys of the landscape’ — functions, the Ramsar Convention and threats.

📖 5 min readNew · Jun 2026
Environment · BiodiversityPrelims & Mains

Invasive Alien Species

Biological invasions — spread, impacts, Indian examples, and biosecurity management.

📖 5 min readNew · Jun 2026
Environment · SustainabilityPrelims & Mains

Circular Economy

Linear vs circular, the R-principles, EPR, and India’s resource-efficiency steps.

📖 5 min readNew · Jun 2026
Environment · PollutionPrelims & Mains

Noise & Soil Pollution

Sources & effects, the Noise Rules 2000, soil contamination and remediation.

📖 5 min readNew · Jun 2026
Environment · WaterPrelims & Mains

River Conservation

Namami Gange & the NMCG — the river-basin approach, e-flows, and the challenges.

📖 5 min readNew · Jun 2026
Environment · ClimateHigh-frequency

Climate Change & UNFCCC

The greenhouse effect, UNFCCC/Kyoto/Paris, IPCC & COP, CBDR, and India’s net-zero-2070 goal.

📖 7 min readNew · Jun 2026
Environment · EcologyPrelims & GS-3

Ecology & Ecosystem Basics

Ecosystem components, food chains & webs, trophic levels, the 10% law and pyramids.

📖 6 min readNew · Jun 2026
Environment · BiodiversityPrelims & GS-3

Biodiversity & Conservation

Levels of biodiversity, the HIPPO threats, and in-situ vs ex-situ conservation.

📖 6 min readNew · Jun 2026
Environment · ConservationPrelims & GS-3

Wildlife Protection & Protected Areas

The Wildlife Protection Act 1972 and the types of protected areas.

📖 6 min readNew · Jun 2026
Environment · PollutionPrelims & GS-3

Air Pollution & NCAP

Pollutants (PM2.5), the AQI, sources including stubble burning, and the NCAP.

📖 6 min readNew · Jun 2026
Environment · PollutionPrelims & GS-3

Water Pollution & Conservation

Sources, eutrophication, BOD/COD/DO, the Water Act 1974, and Namami Gange.

📖 6 min readNew · Jun 2026
Environment · PollutionPrelims & GS-3

Solid & Plastic Waste Management

Waste types, the 3Rs, the SWM/Plastic rules, single-use ban and EPR.

📖 6 min readNew · Jun 2026
Environment · LawPrelims & GS-3

Environmental Laws of India

EPA 1986, the Water/Air/Forest/Wildlife Acts, the Biodiversity Act and the NGT.

📖 6 min readNew · Jun 2026
Environment · GlobalHigh-frequency

International Environmental Conventions

Stockholm, Rio, CITES, Ramsar, Montreal, Basel, Stockholm POPs and Minamata.

📖 6 min readNew · Jun 2026
Environment · ConservationPrelims & GS-3

Species Conservation Projects

Project Tiger, Elephant, Lion, Dolphin & Snow Leopard, plus the IUCN Red List.

📖 6 min readNew · Jun 2026
Environment · GovernancePrelims & GS-3

Environmental Impact Assessment (EIA)

The EIA process & stages, the 2006 Notification, project categories and criticisms.

📖 6 min readNew · Jun 2026
Environment · DevelopmentPrelims & GS-3

Sustainable Development & SDGs

The Brundtland definition, the three pillars, the 17 SDGs, and India’s SDG Index.

📖 6 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Public Health System

The three-tier structure, the NHM, the spending gap, and the road to UHC.

📖 6 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Health Policy & UHC

NHP 2017, the two Ayushman Bharat pillars (HWC + PM-JAY), and ABDM digital health.

📖 5 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Non-Communicable Diseases

The four major NCDs, the ~2/3 death share, risk factors, and the NP-NCD response.

📖 5 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Maternal & Child Health

MMR/IMR/U5MR indicators, determinants, and schemes like JSY and Mission Indradhanush.

📖 5 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Nutrition & Malnutrition

The triple burden, stunting/wasting/anaemia, and POSHAN Abhiyaan & the first 1,000 days.

📖 5 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Pharmaceutical Sector

India as the ‘pharmacy of the world’ — generics, CDSCO/NPPA, API dependence & PLI.

📖 5 min readNew · Jun 2026
Social Sector · HealthPrelims & Mains

Pandemic & One Health

One Health, zoonoses & AMR, and India’s preparedness after COVID-19.

📖 5 min readNew · Jun 2026
Social Sector · EducationPrelims & Mains

NEP 2020

The 5+3+3+4 structure, FLN, higher-ed reforms (HECI, GER 50%), and the 6%-GDP target.

📖 6 min readNew · Jun 2026
Social Sector · EducationPrelims & Mains

School Education & RTE

Article 21A & the RTE Act, the access-to-learning shift (ASER), and Samagra Shiksha.

📖 5 min readNew · Jun 2026
Social Sector · EducationPrelims & Mains

Higher Education

Regulators (UGC/AICTE/HECI), the GER, quality & research gaps, and NEP reforms.

📖 5 min readNew · Jun 2026
Social Sector · EducationPrelims & Mains

Digital Education

DIKSHA, SWAYAM & PM eVIDYA, the digital divide, and blended learning.

📖 5 min readNew · Jun 2026
Social Sector · EducationPrelims & Mains

Medical & Technical Education

NMC & NEET, AICTE & the IITs, the workforce shortage, and reforms.

📖 5 min readNew · Jun 2026
Society · StructureGS-1 core

Salient Features of Indian Society

Unity in diversity, pluralism, the key institutions, and tradition meeting modernity.

📖 6 min readNew · Jun 2026
Society · StratificationGS-1 core

The Caste System & Its Changes

Varna vs jati, the features of caste, Sanskritisation, and caste in modern politics.

📖 6 min readNew · Jun 2026
Society · Social IssuesGS-1 core

Communalism

Meaning, causes (colonial, political, socio-economic), effects and remedies.

📖 6 min readNew · Jun 2026
Society · Social IssuesGS-1 core

Regionalism

Forms (statehood, autonomy, sons-of-soil), causes, and its positive & negative sides.

📖 6 min readNew · Jun 2026
Society · SecularismGS-1 & GS-2

Secularism in India

The Indian model (principled distance) vs the Western model, and its constitutional basis.

📖 6 min readNew · Jun 2026
Society · GenderGS-1 core

Women & Gender Issues

Sex vs gender, key issues, patriarchy, and the dimensions of women’s empowerment.

📖 7 min readNew · Jun 2026
Society · Social JusticeGS-2 core

Social Justice & Vulnerable Sections

SC/ST/OBC, minorities, PwD, elderly & transgender — safeguards and welfare.

📖 7 min readNew · Jun 2026
Society · TribalGS-1 & GS-2

Tribal Communities of India

Scheduled Tribes, PVTGs, the 5th/6th Schedules, PESA & the Forest Rights Act.

📖 6 min readNew · Jun 2026
Society · Social ChangeGS-1 core

Globalisation & Indian Society

Economic, cultural and social impacts — the positives, negatives and glocalisation.

📖 6 min readNew · Jun 2026
Society · Social ChangeGS-1 core

Social Movements in India

Types and examples (Chipko, Narmada Bachao, Dalit, women’s) and their democratic role.

📖 6 min readNew · Jun 2026
Society · InstitutionsGS-1 core

Family, Marriage & Kinship

Joint vs nuclear family, marriage rules, kinship, and the forces of change.

📖 6 min readNew · Jun 2026
Society · DiversityGS-1 core

Language & Linguistic Diversity

Language families, the Eighth Schedule, classical languages and the three-language formula.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3

Media & Social Media in Security

The double-edged role — fake news, online radicalisation, deepfakes & IT Rules.

📖 5 min readNew · Jun 2026
Internal SecurityGS-3

Radicalisation

Drivers, online recruitment, and counter- vs de-radicalisation strategies.

📖 5 min readNew · Jun 2026
Internal SecurityGS-3

Drug Trafficking & Narco-Terror

Golden Crescent/Triangle, the narco-terror nexus, the NDPS Act & NCB.

📖 5 min readNew · Jun 2026
Internal SecurityGS-3

Central Armed Police Forces

CRPF, BSF, CISF, ITBP, SSB, Assam Rifles & NSG — mandates and challenges.

📖 5 min readNew · Jun 2026
Defence & SecurityGS-3

Defence Reforms

The CDS, theatreisation, defence indigenisation and the Agnipath scheme.

📖 5 min readNew · Jun 2026
Internal SecurityGS-3

Non-State Actors

State-sponsored proxies, cross-border terror, and the FATF response.

📖 5 min readNew · Jun 2026
Internal SecurityGS-3

Cyber Warfare & CII

The fifth domain, threats to critical infrastructure, and India’s cyber architecture.

📖 5 min readNew · Jun 2026
Disaster ManagementGS-3

Types of Disasters

Hazard × vulnerability ÷ capacity; natural vs man-made/CBRN classification.

📖 5 min readNew · Jun 2026
Disaster ManagementGS-3

Tsunami & Coastal Disasters

How tsunamis form, the 2004 disaster, INCOIS early warning, and coastal hazards.

📖 5 min readNew · Jun 2026
Disaster ManagementGS-3

Urban Floods & Resilience

Why cities flood, the impact, and sponge-city/blue-green resilience.

📖 5 min readNew · Jun 2026
Disaster ManagementGS-3

Disaster Risk Reduction

From relief to prevention — the Sendai Framework, CDRI and early-warning systems.

📖 5 min readNew · Jun 2026
Disaster ManagementGS-3

Community-Based DM

Communities as first responders — bottom-up, participatory resilience.

📖 4 min readNew · Jun 2026
Internal SecurityGS-3 core

Internal Security — Challenges & Framework

The dimensions, the development-extremism linkage, and India’s security architecture.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Terrorism & Counter-Terrorism

Types and causes of terrorism, and India’s framework (UAPA, NIA, NATGRID) plus the CCIT.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Money Laundering & Terror Financing

The three laundering stages, PMLA/ED/FIU, hawala, and the FATF grey/black lists.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Border Management

India’s borders, the challenges, the guarding forces (BSF/ITBP/SSB), and CIBMS.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Insurgency in North-East India

Causes, the AFSPA debate, peace accords, and development under Act East.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Organised Crime & the Terror Nexus

Features and types, the crime-terror nexus (narco-terrorism), and counter-measures.

📖 6 min readNew · Jun 2026
Internal SecurityGS-3 core

Security Forces & Intelligence Agencies

Armed forces vs CAPFs (CRPF/BSF/CISF/ITBP/SSB), the NSG, and IB/RAW/NIA.

📖 6 min readNew · Jun 2026
Disaster ManagementGS-3 core

DM Act 2005 & the DM Cycle

The Disaster Management Act, the NDMA/SDMA/DDMA/NDRF structure, and the DM cycle.

📖 6 min readNew · Jun 2026
Disaster ManagementGS-3 core

Flood & Cyclone Management

Causes & vulnerable areas, mitigation/early warning, and the Odisha zero-casualty model.

📖 6 min readNew · Jun 2026
Disaster ManagementGS-3 core

Earthquake & Landslide Management

Seismic zones, building codes & retrofitting, and landslide mitigation.

📖 6 min readNew · Jun 2026
Disaster ManagementGS-3 core

Drought & Heatwave Management

Types of drought, mitigation, and Heat Action Plans (the Ahmedabad model).

📖 6 min readNew · Jun 2026
Disaster ManagementGS-3 core

Sendai Framework & Global DM Governance

The Sendai Framework (2015-2030), its Hyogo predecessor, and the India-led CDRI.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Good Governance

Meaning, the eight attributes, the “minimum government” idea, and the tools to achieve it.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

e-Governance & Digital India

Types (G2C/G2B/G2G), NeGP→Digital India, the India Stack, and the digital divide.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Transparency, Accountability & Social Audit

RTI, social audit (MGNREGA), citizen charters and whistle-blower protection.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Citizen-Centric Governance & Service Delivery

Citizen charters, the Sevottam model, grievance redress (CPGRAMS) and reforms.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Role of Civil Services in a Democracy

The permanent executive, neutrality & anonymity, challenges, and reforms.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Role of Civil Society & NGOs

Advocacy, service delivery and watchdog roles, FCRA regulation, and the funding debate.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Self-Help Groups & Community Participation

SHGs, microfinance, women’s empowerment, the NRLM, and the Kudumbashree model.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Pressure & Interest Groups

Meaning, types, techniques, democratic role, and how they differ from political parties.

📖 5 min readNew · Jun 2026
Governance · GS-2GS-2 core

Statutory, Regulatory & Quasi-Judicial Bodies

Constitutional vs statutory vs regulatory vs quasi-judicial — with examples.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Lokpal & Lokayuktas

The ombudsman idea, the 2013 Act, structure & jurisdiction, and the challenges.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Cooperative & Competitive Federalism

GST Council & NITI (cooperative) vs ranking-driven competition among states.

📖 6 min readNew · Jun 2026
Governance · GS-2GS-2 core

Welfare Schemes & Implementation

Design & targeting, implementation gaps (leakages, last-mile), and DBT/JAM reforms.

📖 6 min readNew · Jun 2026
IR · BilateralGS-2 core

India-USA Relations

From estrangement to strategic partnership — defence pacts, iCET, Quad, and the irritants.

📖 6 min readNew · Jun 2026
IR · BilateralHigh-frequency

India-China Relations

The LAC boundary dispute, Galwan, the skewed trade, and strategic competition.

📖 7 min readNew · Jun 2026
IR · BilateralGS-2 core

India-Pakistan Relations

Partition, the wars, Kashmir, cross-border terrorism and the Indus Waters Treaty.

📖 6 min readNew · Jun 2026
IR · NeighbourhoodGS-2 core

India-Bangladesh Relations

The 1971 legacy, the Land Boundary Agreement, connectivity, and the Teesta issue.

📖 6 min readNew · Jun 2026
IR · NeighbourhoodGS-2 core

India-Nepal Relations

Open border & roti-beti ties, transit & hydropower, and the Kalapani dispute.

📖 6 min readNew · Jun 2026
IR · NeighbourhoodGS-2 core

India-Sri Lanka Relations

Trade & crisis assistance, the fishermen issue, the Tamil question, and the China factor.

📖 6 min readNew · Jun 2026
IR · BilateralGS-2 core

India-Japan Relations

A Special Strategic Partnership — ODA, the bullet train, defence and the Indo-Pacific.

📖 6 min readNew · Jun 2026
IR · RegionGS-2 core

India & the Gulf / West Asia

Energy, diaspora & remittances, the I2U2 and IMEC, and balancing regional rivalries.

📖 6 min readNew · Jun 2026
IR · RegionGS-2 core

India-Central Asia Relations

Connect Central Asia, energy & uranium, INSTC/Chabahar, and the SCO.

📖 6 min readNew · Jun 2026
IR · BilateralGS-2 core

India-France Relations

A trusted strategic partner — Rafale & Scorpène, the Indo-Pacific, and the ISA.

📖 5 min readNew · Jun 2026
IR · MultilateralPrelims & Mains

India & the UN

India’s UN role, peacekeeping contribution, and the G4 bid for UNSC reform.

📖 5 min readNew · Jun 2026
IR · MultilateralPrelims & Mains

India & the G20

The 2023 presidency — Vasudhaiva Kutumbakam, the AU’s entry, IMEC, and governance reform.

📖 5 min readNew · Jun 2026
IR · DiplomacyPrelims & Mains

India & the Global South

The Voice of Global South Summit, development partnerships, and the vishwaguru aspiration.

📖 5 min readNew · Jun 2026
IR · StrategicPrelims & Mains

Indo-Pacific & Maritime Security

SAGAR, the IPOI, the Quad, freedom of navigation, and the China factor.

📖 6 min readNew · Jun 2026
IR · StrategicPrelims & Mains

India & the Indian Ocean

Net security provider, IORA, island diplomacy, and the China challenge in the IOR.

📖 5 min readNew · Jun 2026
IR · MultilateralPrelims & Mains

Minilateral Groupings

Quad, I2U2, BRICS, IBSA, SCO & BIMSTEC — issue-based coalitions and multi-alignment.

📖 5 min readNew · Jun 2026
IR · EconomicPrelims & Mains

Economic Diplomacy & FTAs

CEPAs & FTAs (UAE, Australia), the RCEP opt-out, and India’s WTO stance.

📖 5 min readNew · Jun 2026
IR · DiplomacyPrelims & Mains

Soft Power & Culture

Yoga, cinema, democracy & the diaspora — the ICCR and cultural diplomacy.

📖 5 min readNew · Jun 2026
IR · Global IssuesPrelims & Mains

Climate Diplomacy

CBDR & climate justice, the ISA & CDRI, LiFE, and the Global-South stance.

📖 5 min readNew · Jun 2026
IR · EconomicPrelims & Mains

Energy Security & Diplomacy

Import dependence, oil & gas diplomacy, the SPR, and the clean-energy transition.

📖 5 min readNew · Jun 2026
IR · StrategicPrelims & Mains

Connectivity Initiatives

INSTC, Chabahar & IMEC — and India’s response to China’s BRI.

📖 5 min readNew · Jun 2026
IR · Global IssuesPrelims & Mains

India & the Global Commons

The high seas, Antarctica, space & cyber — governance regimes and India’s stakes.

📖 5 min readNew · Jun 2026
IR · PolicyGS-2 core

Neighbourhood First Policy

Principles, the tools (connectivity, assistance, SAGAR), and the China challenge.

📖 6 min readNew · Jun 2026
IR · GroupingsGS-2 core

BIMSTEC & Regional Groupings

BIMSTEC (Bay of Bengal), why it beats a stalled SAARC, plus IORA, BBIN and Mekong-Ganga.

📖 5 min readNew · Jun 2026
Scheme · Women & ChildPrelims & Mains

Beti Bachao Beti Padhao

Tackling the child sex ratio — survival, protection & education of the girl child.

📖 5 min readNew · Jun 2026
Scheme · LivelihoodsPrelims & Mains

PM SVANidhi

Collateral-free micro-credit for street vendors, with a digital-payments push.

📖 5 min readNew · Jun 2026
Scheme · EntrepreneurshipPrelims & Mains

Stand-Up India

Bank loans of ₹10L–₹1cr for SC/ST and women entrepreneurs (greenfield ventures).

📖 5 min readNew · Jun 2026
Scheme · UrbanPrelims & Mains

AMRUT

Basic urban infrastructure — water, sewerage & green spaces; AMRUT 2.0.

📖 5 min readNew · Jun 2026
Scheme · UrbanPrelims & Mains

Smart Cities Mission

Area-based development & pan-city solutions, SPVs and ICCCs across 100 cities.

📖 5 min readNew · Jun 2026
Scheme · EnergyPrelims & Mains

Saubhagya

Universal household electrification — free last-mile connections and solar for off-grid.

📖 4 min readNew · Jun 2026
Scheme · LivelihoodsPrelims & Mains

DAY-NRLM

The rural livelihoods mission — SHGs, the Lakhpati Didi goal, and DAY-NULM.

📖 5 min readNew · Jun 2026
Scheme · Education & NutritionPrelims & Mains

PM POSHAN (Mid-Day Meal)

Hot cooked meals in schools — boosting nutrition, enrolment and retention.

📖 5 min readNew · Jun 2026
Scheme · Social SecurityPrelims & Mains

APY & Jan Suraksha

APY pension + PMJJBY & PMSBY insurance for the unorganised sector.

📖 5 min readNew · Jun 2026
Scheme · Energy & AgriculturePrelims & Mains

PM-KUSUM

Solar power for farmers — the three components and annadata-to-urjadata.

📖 5 min readNew · Jun 2026
Scheme · DigitalPrelims & Mains

Digital India

The nine pillars, the India Stack/DPI, BharatNet, and the digital-divide challenge.

📖 5 min readNew · Jun 2026
Scheme · Social SecurityPrelims & Mains

NSAP

Pensions for the poor elderly, widows & disabled — the Article 41 (DPSP) safety net.

📖 5 min readNew · Jun 2026
Scheme · HousingPrelims & GS-2

PM Awas Yojana (PMAY)

Housing for All — PMAY-Urban & Gramin, the CLSS subsidy, and woman-ownership.

📖 5 min readNew · Jun 2026
Scheme · EnergyPrelims & GS-2

PM Ujjwala Yojana

Free LPG for poor women, clean cooking fuel, Ujjwala 2.0, and the refill challenge.

📖 5 min readNew · Jun 2026
Scheme · SanitationPrelims & GS-2

Swachh Bharat Mission

ODF, SBM-Urban & Gramin, and the shift to SBM 2.0 (waste management).

📖 5 min readNew · Jun 2026
Scheme · SkillingPrelims & GS-2/3

Skill India Mission

PMKVY, NSDC, the demographic-dividend rationale, and the quality/placement challenge.

📖 5 min readNew · Jun 2026
Scheme · EntrepreneurshipPrelims & GS-3

Startup India

DPIIT recognition, tax & angel-tax relief, the Fund of Funds, and the unicorn ecosystem.

📖 5 min readNew · Jun 2026
Scheme · ManufacturingPrelims & GS-3

Make in India

Manufacturing + FDI + ease of doing business — the pillars, 25 sectors, and PLI link.

📖 5 min readNew · Jun 2026
Scheme · EconomyPrelims & GS-3

Atmanirbhar Bharat

Self-reliant India — the five pillars, the stimulus, and the self-reliance-vs-protectionism debate.

📖 5 min readNew · Jun 2026
Scheme · InfrastructurePrelims & GS-3

PM Gati Shakti

The National Master Plan for multi-modal connectivity — GIS platform, 16+ ministries.

📖 5 min readNew · Jun 2026
Scheme · ManufacturingPrelims & GS-3

PLI Scheme

Production-Linked Incentives — how they work, the 14+ sectors, and value-addition concerns.

📖 5 min readNew · Jun 2026
Scheme · WaterPrelims & GS-2

Jal Jeevan Mission

Har Ghar Jal — functional tap water to every rural home, Pani Samitis, and sustainability.

📖 5 min readNew · Jun 2026
Scheme · ArtisansPrelims & GS-2

PM Vishwakarma

Support for artisans in 18 trades — recognition, toolkit incentive, and collateral-free credit.

📖 5 min readNew · Jun 2026
Scheme · Financial InclusionPrelims & GS-3

PM MUDRA Yojana

Collateral-free micro-loans — Shishu/Kishore/Tarun categories and the NPA challenge.

📖 5 min readNew · Jun 2026
IR · Global GovernanceMains GS-2

UN & UNSC Reform

The UN system, the P5 and veto, why the Council needs reform, and India’s case (G4 vs Uniting for Consensus).

📖 7 min readNew · Jun 2026
IR · Global GovernancePrelims & GS-2

G20

Members (19 + EU + AU), structure (troika, two tracks), and India’s 2023 presidency & New Delhi Declaration.

📖 6 min readNew · Jun 2026
IR · TradePrelims & GS-3

World Trade Organization

MFN & national treatment, key agreements, the Appellate Body crisis, and India’s food-security stance.

📖 7 min readNew · Jun 2026
IR · Global FinancePrelims & GS-3

International Monetary Fund

Surveillance, lending & capacity-building; the quota system, SDRs, and India’s 1991 programme.

📖 6 min readNew · Jun 2026
IR · Development FinancePrelims

World Bank Group

IBRD, IDA, IFC, MIGA, ICSID — and how the Bank differs from the IMF.

📖 6 min readNew · Jun 2026
IR · RegionalPrelims & GS-2

Shanghai Cooperation Organisation

Origin, members (India 2017, Iran 2023), RATS, and India’s balancing act in a China-Russia bloc.

📖 6 min readNew · Jun 2026
IR · Global HealthPrelims & GS-2

World Health Organization

Structure, the IHR and pandemic treaty, and India as the “pharmacy of the world.”

📖 6 min readNew · Jun 2026
IR · RegionalPrelims & GS-2

SAARC

The eight members, structure, SAFTA, why it stalled after 2016, and the pivot to BIMSTEC.

📖 6 min readNew · Jun 2026
IR · Act EastMains GS-2

India-ASEAN & Act East

Look East → Act East, ASEAN centrality, the EAS/ARF forums, and connectivity to the east.

📖 7 min readNew · Jun 2026
IR · BilateralMains GS-2

India-EU Relations

The strategic partnership, the relaunched FTA, the Trade & Technology Council, and CBAM friction.

📖 6 min readNew · Jun 2026
IR · BilateralMains GS-2

India-Africa Relations

IAFS, lines of credit, ITEC, Vaccine Maitri, and the AU’s entry into the G20.

📖 6 min readNew · Jun 2026
IR · DiasporaMains GS-2

The Indian Diaspora

The world’s largest diaspora — NRI/PIO/OCI, record remittances, and diaspora diplomacy as soft power.

📖 6 min readNew · Jun 2026
S&T · SpacePrelims & GS-3

ISRO & Space Sector Reforms

The 2020 opening, IN-SPACe and NSIL, the Indian Space Policy 2023, FDI, and the NewSpace boom.

📖 8 min readNew · Jun 2026
S&T · SpaceCurrent affairs

Chandrayaan & Aditya-L1

The 2023 lunar south-pole landing, Vikram & Pragyan, National Space Day, and India’s first solar mission.

📖 7 min readNew · Jun 2026
S&T · SpaceCurrent affairs

Gaganyaan

India’s first human spaceflight — crew module, escape system, Vyommitra, and the road to a space station.

📖 7 min readNew · Jun 2026
Sci-Tech · AIPrelims & Mains

Artificial Intelligence

AI/ML & generative AI, the IndiaAI Mission and #AIforAll, and the ethics/jobs debate.

📖 6 min readNew · Jun 2026
Sci-Tech · BiotechPrelims & Mains

Biotechnology

Red/green/white branches, GM crops & the GEAC, the BioE3 policy, and bioethics.

📖 5 min readNew · Jun 2026
Sci-Tech · MaterialsPrelims & Mains

Nanotechnology

The nanoscale, graphene & carbon nanotubes, applications, and India’s Nano Mission.

📖 5 min readNew · Jun 2026
Sci-Tech · AutomationPrelims & Mains

Robotics & Automation

Robots, cobots & Industry 4.0 — applications and the jobs-vs-reskilling question.

📖 5 min readNew · Jun 2026
Sci-Tech · DigitalPrelims & Mains

Blockchain

Distributed ledgers, public vs private chains, use-cases beyond crypto, and the CBDC.

📖 5 min readNew · Jun 2026
Sci-Tech · DigitalPrelims & Mains

Internet of Things

Sensors + connectivity + data, the 5G enabler, smart cities, and IoT security.

📖 5 min readNew · Jun 2026
Sci-Tech · AviationPrelims & Mains

Drone Technology

UAVs, the Drone Rules 2021 & PLI, Kisan/SVAMITVA drones, and counter-UAS security.

📖 5 min readNew · Jun 2026
Sci-Tech · SecurityPrelims & Mains

Cybersecurity

Threat types, critical information infrastructure, CERT-In & NCIIPC, and the way forward.

📖 5 min readNew · Jun 2026
Sci-Tech · BiotechPrelims & Mains

Gene Editing & CRISPR

How CRISPR-Cas9 works, gene therapy & edited crops, and the germline-editing ethics.

📖 5 min readNew · Jun 2026
Sci-Tech · SpacePrelims & Mains

Space Applications

Satellite types, remote sensing & GIS, NavIC, and space for governance & development.

📖 5 min readNew · Jun 2026
Sci-Tech · IPRPrelims & Mains

Intellectual Property Rights

Patents/copyright/trademark/GI, TRIPS, the IPR Policy, and Section 3(d)/evergreening.

📖 5 min readNew · Jun 2026
Sci-Tech · PolicyPrelims & Mains

S&T Policy & Institutions

From the 1958 SPR to STIP & ANRF, the key research bodies, and the low-R&D challenge.

📖 5 min readNew · Jun 2026
S&T · ComputingPrelims & GS-3

National Quantum Mission

The ₹6,000-cr push into quantum computing, communication, sensing and materials — and why it matters.

📖 6 min readNew · Jun 2026
S&T · EnergyPrelims & GS-3

India’s Three-Stage Nuclear Programme

Bhabha’s PHWR → fast breeder → thorium path, the PFBR, and small modular reactors.

📖 8 min readNew · Jun 2026
S&T · EnergyPrelims & GS-3

National Green Hydrogen Mission

Green vs grey/blue hydrogen, the 5 MMT-by-2030 target, SIGHT incentives, and decarbonising hard sectors.

📖 7 min readNew · Jun 2026
S&T · BiotechPrelims & GS-3

Genome India & BioE3 Policy

Sequencing Indian genomes for precision medicine, and the BioE3 policy for a bio-economy.

📖 7 min readNew · Jun 2026
S&T · DefencePrelims & GS-3

Defence Indigenisation

Atmanirbhar Bharat — positive lists, defence corridors, iDEX, DRDO/DPSUs, and record exports.

📖 7 min readNew · Jun 2026
S&T · FintechPrelims & GS-3

CBDC / Digital Rupee

The RBI’s e₹ — wholesale & retail, and how it differs from UPI and from cryptocurrency.

📖 6 min readNew · Jun 2026
S&T · SpacePrelims

NavIC

India’s regional navigation system (IRNSS) — constellation, coverage, services and strategic autonomy.

📖 6 min readNew · Jun 2026
S&T · TelecomPrelims

5G & 6G in India

The 2022 5G rollout, the indigenous stack, and the Bharat 6G Vision for standards leadership by 2030.

📖 6 min readNew · Jun 2026
S&T · ComputingPrelims

Supercomputing & PARAM

The National Supercomputing Mission, the indigenous PARAM series, and the AIRAWAT AI system.

📖 6 min readNew · Jun 2026
Polity · RightsCore Prelims & Mains

Fundamental Rights (Part III)

The six categories (Articles 12-35), reasonable restrictions, Article 32, and the landmark cases.

📖 9 min readNew · Jun 2026
Polity · ConstitutionCore Prelims & Mains

Directive Principles (DPSP)

Part IV (36-51) — the Gandhian/socialist/liberal classification and the FR-vs-DPSP balance.

📖 8 min readNew · Jun 2026
Polity · DutiesPrelims

Fundamental Duties (Article 51A)

Part IVA, the Swaran Singh Committee, the eleven duties, and their non-justiciable nature.

📖 6 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Constituent Assembly

How the Constitution was framed — committees, key dates and sources.

📖 5 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Salient Features

Lengthiest written, quasi-federal, parliamentary — what makes it unique.

📖 5 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Parliamentary vs Presidential

The two systems, the differences, and why India chose parliamentary.

📖 5 min readNew · Jun 2026
Polity · ParliamentPrelims & Mains

Speaker & Presiding Officers

The Speaker, Deputy Speaker & RS Chairman — powers and independence.

📖 5 min readNew · Jun 2026
Polity · State GovtPrelims & Mains

State Legislature

Vidhan Sabha & Parishad, Council creation (Art 169), and state law-making.

📖 5 min readNew · Jun 2026
Polity · ParliamentPrelims & Mains

Money Bill & Budget

Article 110, money vs financial bills, and the budget stages.

📖 5 min readNew · Jun 2026
Polity · ExecutivePrelims & Mains

Ordinance-Making Power

Articles 123/213, the limits, and the re-promulgation bar.

📖 5 min readNew · Jun 2026
Polity · Federal StructurePrelims & Mains

Union Territories

UT administration, LGs, Delhi/J&K special status and reorganisation.

📖 5 min readNew · Jun 2026
Polity · Federal StructurePrelims & Mains

Scheduled & Tribal Areas

The Fifth & Sixth Schedules, autonomous councils, and PESA.

📖 5 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Official Language Provisions

Hindi & English, the Eighth Schedule, and the three-language formula.

📖 5 min readNew · Jun 2026
Polity · Statutory BodiesPrelims & Mains

National Commission for Women

The NCW — statutory basis, powers and limitations.

📖 4 min readNew · Jun 2026
Polity · ElectionsPrelims & Mains

Political Parties

The multi-party system, ECI recognition, and party-funding reforms.

📖 5 min readNew · Jun 2026
Polity · ConstitutionHigh-freq Prelims

Preamble of the Constitution

The keywords, the 42nd Amendment additions, and the Berubari→Kesavananda story.

📖 7 min readNew · Jun 2026
Polity · JudiciaryHigh-freq Prelims

Writs (Articles 32 & 226)

Habeas Corpus, Mandamus, Prohibition, Certiorari, Quo Warranto — and Article 32 vs 226.

📖 6 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Amendment of the Constitution (Art 368)

The three types of amendment, the procedure, and the basic-structure limit.

📖 7 min readNew · Jun 2026
Polity · ExecutiveCore Prelims & Mains

President of India

The electoral college, the range of powers, the three vetoes, and the nominal-executive role.

📖 8 min readNew · Jun 2026
Polity · ExecutiveCore Prelims & Mains

PM & Council of Ministers

The real executive — the PM’s role, collective responsibility, and the categories of ministers.

📖 7 min readNew · Jun 2026
Polity · LegislatureCore Prelims & Mains

Parliament of India

Lok Sabha vs Rajya Sabha, the money-bill rules (Article 110), and parliamentary devices.

📖 8 min readNew · Jun 2026
Polity · BodiesPrelims & Mains

NCSC, NCST & NCBC

The three commissions — Articles 338/338A/338B, composition, powers and the 102nd Amendment.

📖 5 min readNew · Jun 2026
Polity · BodiesPrelims & Mains

NHRC

Statutory basis (PHR Act 1993), the ex-CJI chair, civil-court powers, and its limitations.

📖 5 min readNew · Jun 2026
Polity · FederalismPrelims & Mains

Inter-State & Zonal Councils

Article 263, the Sarkaria-born ISC, the 5 Zonal Councils, and cooperative federalism.

📖 5 min readNew · Jun 2026
Polity · ElectionsPrelims & Mains

Electoral Reforms

Money & muscle, VVPAT/NOTA, the electoral-bonds verdict, and the pending agenda.

📖 6 min readNew · Jun 2026
Polity · ParliamentPrelims & Mains

Parliamentary Committees

Standing vs ad hoc, the PAC/Estimates/COPU financial committees, and the 24 DRSCs.

📖 5 min readNew · Jun 2026
Polity · ParliamentPrelims & Mains

Parliamentary Privileges

Articles 105/194, individual vs collective privileges, breach of privilege and codification.

📖 5 min readNew · Jun 2026
Polity · JudiciaryPrelims & Mains

Landmark SC Judgments

Kesavananda, Maneka, Bommai, Indra Sawhney, Puttaswamy — the cases that shaped India.

📖 7 min readNew · Jun 2026
Polity · JudiciaryPrelims & Mains

Judicial Review

Articles 13/32/226, the scope over laws & executive action, and India’s synthesis model.

📖 5 min readNew · Jun 2026
Polity · JudiciaryPrelims & Mains

Judicial Activism & PIL

Relaxed locus standi, epistolary jurisdiction, contributions, and the overreach debate.

📖 5 min readNew · Jun 2026
Polity · JudiciaryPrelims & Mains

Collegium & Appointments

The Three Judges Cases, the NJAC verdict, the MoP debate, and judicial independence.

📖 5 min readNew · Jun 2026
Polity · JudiciaryPrelims & Mains

Tribunals

Articles 323A/323B, CAT/NGT/NCLT, advantages, and the ‘tribunalisation’ concern.

📖 5 min readNew · Jun 2026
Polity · ConstitutionPrelims & Mains

Separation of Powers

The doctrine, India’s non-rigid model, basic-structure status, and checks & balances.

📖 5 min readNew · Jun 2026
Polity · JudiciaryCore Prelims & Mains

Supreme Court of India

The four jurisdictions, judicial review, and the collegium-vs-NJAC debate.

📖 8 min readNew · Jun 2026
Polity · State ExecutivePrelims & Mains

Governor of a State

Appointment, powers, Article 200 bill assent, and the discretion-misuse debate.

📖 7 min readNew · Jun 2026
Polity · Local GovtPrelims & Mains

Panchayati Raj & the 73rd Amendment

The three-tier system, Part IX & the Eleventh Schedule, reservations, and the “3 Fs” gap.

📖 7 min readNew · Jun 2026
Environment · ClimateHigh-freq Prelims

Climate of India

The monsoon type, controlling factors, the four seasons, and the monsoon mechanism (ITCZ, ENSO, IOD).

📖 8 min readNew · Jun 2026
Environment · BiodiversityHigh-freq Prelims

Biodiversity Hotspots in India

The concept and criteria, and India’s four hotspots — Himalaya, Western Ghats, Indo-Burma, Sundaland.

📖 7 min readNew · Jun 2026
Environment · VegetationPrelims

Forest Types of India

Evergreen, deciduous, thorn, montane and mangrove forests — by rainfall, species and location.

📖 7 min readNew · Jun 2026
Environment · ConservationPrelims

Biosphere Reserves in India

The UNESCO MAB concept, core-buffer-transition zoning, and India’s 18 reserves (Nilgiri the first).

📖 6 min readNew · Jun 2026
IR · StrategicMains GS-2

India-Russia Relations

The Special & Privileged Strategic Partnership — defence, energy, and the strategic-autonomy balance.

📖 7 min readNew · Jun 2026
IR · HistoryPrelims & GS-2

Shimla Agreement 1972

Bilateralism, the Line of Control, the 1971 POWs, and its contested status today.

📖 6 min readNew · Jun 2026
Governance · InstitutionPrelims & GS-2

Central Vigilance Commission (CVC)

India’s apex integrity body — statutory status, composition, and superintendence over the CBI.

📖 6 min readNew · Jun 2026
Governance · RegulatorPrelims

TRAI

The telecom regulator — TRAI Act 1997, TDSAT, tariffs and quality, and the net-neutrality ruling.

📖 6 min readNew · Jun 2026
IndexRefresh yearly

Global Gender Gap Index 2025

WEF’s four sub-indices, the toppers, and why India lags most on economic participation.

📖 5 min readNew · Jun 2026
IndexRefresh yearly

Global Hunger Index 2025

The four indicators, India’s rank and “serious” band, and the methodology debate.

📖 5 min readNew · Jun 2026
IndexRefresh yearly

Press Freedom Index 2025

RSF’s five indicators, the toppers, and India’s rank among 180 countries.

📖 5 min readNew · Jun 2026
IndexRefresh yearly

Henley Passport Index 2025

How passports are ranked by visa-free access, the toppers, and India’s position.

📖 5 min readNew · Jun 2026
Economy · AgriculturePrelims & Mains

Agriculture & Allied Sector

GDP vs employment mismatch, the allied sectors, challenges, and doubling farmers’ incomes.

📖 6 min readNew · Jun 2026
Economy · IndustryPrelims & Mains

Industry & Manufacturing

From license raj to 1991 liberalisation, the stagnant mfg share, Make in India & PLI.

📖 6 min readNew · Jun 2026
Economy · ServicesPrelims & Mains

Services Sector

Services-led growth, IT-BPM & GCC exports, jobless-growth concern and the gig economy.

📖 5 min readNew · Jun 2026
Economy · MSMEPrelims & Mains

MSME Sector

The 2020 classification, share in jobs/exports, the credit gap, and Udyam/MUDRA support.

📖 5 min readNew · Jun 2026
Economy · InfrastructurePrelims & Mains

Infrastructure & PPP

BOT/HAM/TOT models, the NIP & NMP, NaBFID, InvITs and the financing challenge.

📖 6 min readNew · Jun 2026
Economy · BankingPrelims & Mains

Banking Reforms & NPAs

The twin-balance-sheet problem, the 4R strategy, IBC 2016, mergers and the bad bank.

📖 6 min readNew · Jun 2026
Economy · FinancialPrelims & Mains

Insurance & Pension

IRDAI & PFRDA, low penetration, the NPS & APY, OPS debate, and FDI reforms.

📖 5 min readNew · Jun 2026
Economy · AgriculturePrelims & Mains

Agricultural Marketing

The APMC mandi system, e-NAM, FPOs, contract farming and the 2020 farm-laws episode.

📖 5 min readNew · Jun 2026
Economy · AgriculturePrelims & Mains

Land Reforms

The four components, why ceilings/tenancy failed, success cases, and SVAMITVA today.

📖 5 min readNew · Jun 2026
Economy · RuralPrelims & Mains

Cooperatives & Rural Credit

The cooperative movement, the PACS–NABARD–RRB structure, and the new Ministry of Cooperation.

📖 5 min readNew · Jun 2026
Economy · DigitalPrelims & Mains

Digital Economy & Fintech

India Stack & DPI, UPI, the Account Aggregator, ONDC, the digital rupee, and the risks.

📖 5 min readNew · Jun 2026
Economy · DevelopmentPrelims & Mains

Inclusive Growth

Growth with equity — its dimensions, the inequality/jobless-growth challenge, and strategies.

📖 5 min readNew · Jun 2026
Economy · MoneyPrelims & Mains

Money Supply

Functions of money, the aggregates M0–M3, money creation and the multiplier.

📖 5 min readNew · Jun 2026
Economy · MarketsPrelims & Mains

Money Market

Short-term instruments — T-Bills, commercial paper, CDs, call money & repo.

📖 5 min readNew · Jun 2026
Economy · MarketsPrelims & Mains

Capital Market & SEBI

Primary vs secondary, equity & debt, NSE/BSE, and SEBI’s role.

📖 5 min readNew · Jun 2026
Economy · MarketsPrelims & Mains

Mutual Funds & Vehicles

Mutual funds & SIPs, ETFs, REITs/InvITs and AIFs — financialising savings.

📖 5 min readNew · Jun 2026
Economy · Public FinancePrelims & Mains

Public Debt

Deficit financing, G-secs, internal vs external debt, and sustainability.

📖 5 min readNew · Jun 2026
Economy · External SectorPrelims & Mains

External Debt & Forex

Reserve components, import cover, external debt and the BoP cushion.

📖 5 min readNew · Jun 2026
Economy · External SectorPrelims & Mains

Exchange Rate & Rupee

Fixed vs floating vs managed float, depreciation, REER and convertibility.

📖 5 min readNew · Jun 2026
Economy · MacroPrelims & Mains

National Income Accounting

GDP, GVA, GNP, NNP, the three methods, and nominal vs real GDP.

📖 5 min readNew · Jun 2026
Economy · BankingPrelims & Mains

Priority Sector Lending

The 40% mandate, the categories & sub-targets, and PSLCs.

📖 5 min readNew · Jun 2026
Economy · IndustryPrelims & Mains

Special Economic Zones

Duty-free enclaves, the SEZ Act 2005, incentives, and the DESH reform.

📖 5 min readNew · Jun 2026
Economy · Public FinancePrelims & Mains

Subsidies & DBT

Food/fertiliser/fuel subsidies, leakages, and JAM-enabled DBT.

📖 5 min readNew · Jun 2026
Economy · FinancialPrelims & Mains

Financial Stability

Systemic risk & contagion, macroprudential regulation, and the FSDC.

📖 5 min readNew · Jun 2026
EconomyPrelims & GS-3

GDP Explained

GVA vs GDP, nominal vs real, the base year, and how India’s NSO measures national income.

📖 8 min readNew · Jun 2026
EconomyPrelims & GS-3

Inflation Explained

Types, WPI vs CPI, and the RBI’s 4% ±2% flexible inflation-targeting framework.

📖 8 min readNew · Jun 2026
Economy · BankingPrelims

Banking Structure in India

RBI at the apex, scheduled vs non-scheduled, commercial & cooperative banks, SFBs and payments banks.

📖 8 min readNew · Jun 2026
Economy · InclusionGS-2 & GS-3

Financial Inclusion & the JAM Trinity

Jan Dhan–Aadhaar–Mobile, Direct Benefit Transfer, and how India banks the unbanked.

📖 7 min readNew · Jun 2026
Governance · InstitutionPrelims & GS-2

NITI Aayog

India’s policy think tank — composition, functions, and how it differs from the Planning Commission.

📖 7 min readNew · Jun 2026
Governance · FiscalPrelims & GS-2

Finance Commission

Article 280, vertical & horizontal devolution, grants-in-aid, and the 16th Finance Commission.

📖 7 min readNew · Jun 2026
Scheme · RuralPrelims & GS-2

MGNREGA

The rural right to work — 100 guaranteed days, social audit, women’s participation, and the wage debate.

📖 7 min readNew · Jun 2026
Scheme · AgriculturePrelims

PM-KISAN

₹6,000-a-year direct income support to landholding farmers via DBT — design, eligibility, exclusions.

📖 6 min readNew · Jun 2026
Scheme · InclusionPrelims

PM Jan Dhan Yojana

The world’s largest financial-inclusion drive — zero-balance accounts, RuPay, and the JAM foundation.

📖 6 min readNew · Jun 2026
Scheme · AgriculturePrelims

PM Fasal Bima Yojana

Crop insurance at low premiums (2% kharif, 1.5% rabi), the risks covered, and the tech-driven reforms.

📖 6 min readNew · Jun 2026
Scheme · Food SecurityPrelims & GS-2

NFSA & Antyodaya Anna Yojana

The right to food — priority households, AAY, the PDS, and One Nation One Ration Card.

📖 7 min readNew · Jun 2026
Scheme · MSPPrelims

PM-AASHA

Assuring MSP for oilseeds & pulses — price support, price-deficiency payment, and private procurement.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Prehistoric India

Palaeolithic to Chalcolithic — tools, Bhimbetka, the Neolithic Revolution.

📖 5 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Sources of Indian History

Literary, archaeological & foreign-account sources — and how we know the past.

📖 5 min readNew · Jun 2026
Ancient & MedievalPrelims & Mains

Foreign Travellers

Megasthenes, Hiuen Tsang, Al-Biruni, Ibn Battuta — and whom they visited.

📖 5 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Ancient Education

The gurukul, and Takshashila, Nalanda & Vikramshila.

📖 4 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Ancient Science & Maths

Zero & decimals, Aryabhata, Charaka/Sushruta, and the Iron Pillar.

📖 5 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Ancient Economy & Society

Varna→caste, ashramas, the position of women, and the agrarian economy.

📖 5 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Ancient Trade & Guilds

The Silk Route, Indo-Roman trade, ports, and guilds (shrenis).

📖 4 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Medieval Administration & Economy

Iqta & mansabdari, land revenue (Todar Mal), and the textile-rich economy.

📖 5 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Medieval Society & Culture

Ganga-Jamuni tehzeeb — the Bhakti-Sufi synthesis, Urdu, and Indo-Islamic art.

📖 5 min readNew · Jun 2026
Medieval/ModernPrelims & Mains

Regional States (18th c.)

Mughal decline and the successor, new & Rajput states.

📖 5 min readNew · Jun 2026
Modern HistoryPrelims & Mains

Advent of the Europeans

Portuguese to British — trading companies, Carnatic Wars and Plassey.

📖 5 min readNew · Jun 2026
Ancient & MedievalPrelims & Mains

Women in Ancient & Medieval India

Changing status, women rulers & saints, and social practices.

📖 5 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

The Vedic Age

Early vs Later Vedic period — the four Vedas, sabha & samiti, and the rise of varna.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Mahajanapadas

The sixteen great states, monarchies vs republics, and the rise of Magadha.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Jainism

Mahavira & the 24 Tirthankaras, the Three Jewels, five vows, and the Digambara–Svetambara split.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Buddhism

Gautama Buddha, the Four Noble Truths, the Eightfold Path, the councils and schools.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Mauryan Empire

Chandragupta & Kautilya, Ashoka’s Dhamma and the Kalinga war, and the decline.

📖 7 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Post-Mauryan Age

Shungas, Indo-Greeks, Sakas, Kushanas (Kanishka) and the Satavahanas.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Gupta Empire

The Golden Age — Samudragupta, Vikramaditya, Aryabhata and Kalidasa.

📖 7 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

Harshavardhana

Harsha of Kannauj, Hiuen Tsang, and the tripartite struggle.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Chola Empire

Rajaraja & Rajendra, local self-government (Uttaramerur), Dravidian temples and bronzes.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Delhi Sultanate

The five dynasties, Alauddin Khilji, Muhammad bin Tughlaq, and the iqta system.

📖 7 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Mughal Empire

Babur to Aurangzeb, mansabdari & zabt revenue, Akbar’s sulh-i-kul, and the decline.

📖 7 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Maratha Empire

Shivaji & the Ashta Pradhan, the Peshwas, and the Third Battle of Panipat.

📖 6 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

The Indus Valley Civilisation

Harappan cities — town planning & drainage, the undeciphered script, key sites and the decline.

📖 7 min readNew · Jun 2026
Ancient HistoryPrelims & Mains

The Sangam Age

Sangam literature, the Cheras, Cholas & Pandyas, and the Indo-Roman trade of early Tamilakam.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Arab & Turkish Invasions

Muhammad bin Qasim, Mahmud of Ghazni and Muhammad Ghori — the road to the Delhi Sultanate.

📖 6 min readNew · Jun 2026
Early MedievalPrelims & Mains

Pallava Dynasty

Kanchi & Mahabalipuram, Narasimhavarman, and the cradle of Dravidian architecture.

📖 5 min readNew · Jun 2026
Early MedievalPrelims & Mains

Chalukyas of Badami

Pulakeshin II, the Vesara style, and the temples of Aihole & Pattadakal.

📖 5 min readNew · Jun 2026
Early MedievalPrelims & Mains

Rashtrakuta Dynasty

Amoghavarsha, the tripartite struggle, and the Kailasa temple at Ellora.

📖 5 min readNew · Jun 2026
Early MedievalPrelims & Mains

Rajput Kingdoms

Pratiharas, Chauhans & Chandelas — Khajuraho, Dilwara, and why they fell to the Turks.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Bahmani Kingdom

Mahmud Gawan’s reforms, the Vijayanagara rivalry, and the break-up into Deccan Sultanates.

📖 5 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Deccan Sultanates

Bijapur, Golconda & the rest — Talikota (1565), Gol Gumbaz, and Mughal absorption.

📖 5 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Bhakti Movement

Nirguna vs Saguna, Kabir & Nanak, the Alvars/Nayanars, and devotional reform.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Sufi Movement

The Chishti & Suhrawardi silsilas, khanqahs & dargahs, and cultural synthesis.

📖 5 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Sikhism & the Gurus

Guru Nanak to Guru Gobind Singh — the ten Gurus, the Adi Granth and the Khalsa.

📖 6 min readNew · Jun 2026
Medieval HistoryPrelims & Mains

Vijayanagara Empire

The four dynasties, Hampi, the golden age of Krishnadevaraya, and the Battle of Talikota (1565).

📖 9 min readNew · Jun 2026
Early MedievalPrelims

Pala Empire

Bengal’s great Buddhist dynasty — Gopala’s election, Vikramshila & Nalanda, and the Tripartite Struggle.

📖 7 min readNew · Jun 2026
Freedom StrugglePrelims

Simon Commission (1927-28)

The all-white commission, “Simon Go Back”, Lala Lajpat Rai, and the Nehru Report.

📖 6 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Sardar Vallabhbhai Patel

Iron Man of India — Bardoli Satyagraha, first Home Minister, integrated 565 princely states.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Bhagat Singh

Revolutionary martyr — HSRA, Saunders, Assembly bomb 1929, Lahore conspiracy and 23 Mar 1931.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Bal Gangadhar Tilak

Lokmanya, ‘Swaraj is my birthright’, Home Rule League and the Lucknow Pact.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Dadabhai Naoroji

Grand Old Man — the Drain of Wealth theory, 3x Congress President, first Indian MP in Britain.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Lala Lajpat Rai

Lion of Punjab — Lal-Bal-Pal Extremist, founded PNB, killed by Simon Commission lathi-charge.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Sri Aurobindo Ghosh

Revolutionary & mystic — Bande Mataram, Alipore Bomb Case, Pondicherry, Integral Yoga.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Maulana Azad

Scholar & statesman — Al-Hilal, youngest Congress President, first Education Minister.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

C. Rajagopalachari

Rajaji — C.R. Formula, last Governor-General of India and founder of the Swatantra Party.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Rabindranath Tagore

Gurudev — Nobel 1913 for Gitanjali, Visva-Bharati, renounced his knighthood.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Sarojini Naidu

Nightingale of India — first Indian woman Congress President, Dharasana salt raid, first woman Governor.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Khan Abdul Ghaffar Khan

Frontier Gandhi — Khudai Khidmatgars, opposed Partition, Bharat Ratna 1987.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Madan Mohan Malaviya

Mahamana — founded BHU (1915), 4x Congress President, posthumous Bharat Ratna 2014.

📖 5 min readNew · Jun 2026
PersonalitiesPrelims

Gopal Krishna Gokhale

The Moderate statesman, the Servants of India Society, and Gandhi’s political guru.

📖 6 min readNew · Jun 2026
Social ReformPrelims

Ishwar Chandra Vidyasagar

The Widow Remarriage Act 1856, women’s education, and the reform of Bengali prose.

📖 6 min readNew · Jun 2026
Bhakti · ReformPrelims

Basaveshwara

The Lingayat movement, the Anubhava Mantapa of spiritual democracy, and Vachana literature.

📖 6 min readNew · Jun 2026
Geography · RiversPrelims map

Godavari River

The Dakshina Ganga — source, tributaries, the largest peninsular basin, and Polavaram.

📖 7 min readNew · Jun 2026
Geography · RiversPrelims map

Narmada River

The west-flowing rift-valley river, why it forms an estuary, Sardar Sarovar and the Andolan.

📖 7 min readNew · Jun 2026
Geography · DrainageHigh-freq Prelims

Peninsular Rivers of India

Old, rain-fed drainage; the Western Ghats divide; east vs west flowing; vs Himalayan rivers.

📖 7 min readNew · Jun 2026
Geography · EconomicPrelims

Chota Nagpur Plateau

India’s mineral heartland — coal, the Damodar valley, the steel belt, and the tribal homeland.

📖 6 min readNew · Jun 2026
EnvironmentPrelims & GS-3

Tiger Reserves in India

Project Tiger, the NTCA, the core-and-buffer model, and the latest tiger census.

📖 7 min readNew · Jun 2026
Geography · ClimatePrelims

Cold Desert of India

Ladakh in the Himalayan rain shadow — high-altitude ecology, the snow leopard, and the biosphere reserve.

📖 6 min readNew · Jun 2026
Society · GenderCurrent affairs

Justice Hema Committee Report

Women’s safety in the Malayalam film industry — findings, the POSH gap, and protecting informal-sector women workers.

📖 7 min readNew · Jun 2026
Exam Info · MainsStrategy

UPSC Mains Corner

The nine papers, the 1750-mark structure, and a practical answer-writing strategy.

📖 7 min readNew · Jun 2026
Exam Info · EssayMains

UPSC Essay Question Papers

Year-wise essay topics, the two-section pattern, evaluation, and how to practise.

📖 7 min readNew · Jun 2026
Exam Info · EssayMains 2019

UPSC Essay Paper 2019

All eight topics across Section A and B, with a brief analysis and approach for each.

📖 6 min readNew · Jun 2026
Exam Info · PYQPrelims 2018

UPSC Prelims 2018 Paper

The famously tough GS paper — pattern, the low cutoff, themes, and how to practise.

📖 6 min readNew · Jun 2026
Exam Info · PYQPrelims 2019

UPSC Prelims 2019 Paper

Pattern, the economy-heavy themes, and how to use the paper for timed practice.

📖 6 min readNew · Jun 2026
Exam Info · CutoffProcess

UPSC Prelims Cutoff

How the cutoff is set, why it fluctuates, and how to target a safe score.

📖 6 min readNew · Jun 2026
Exam Info · OptionalMains

UPSC Optional Subjects & Papers

The full optional list, the 500-mark structure, and how to choose your optional.

📖 7 min readNew · Jun 2026
Exam Info · OptionalMains

Sociology Optional

Why it’s popular, the two-paper structure, core thinkers, and a scoring strategy.

📖 7 min readNew · Jun 2026
Exam Info · Answer WritingStrategy

Toppers’ Answer Copies

What actually makes a topper’s answer score — and the mistakes to avoid when learning from them.

📖 6 min readNew · Jun 2026
Exam Info · NotesStrategy

IAS Handwritten Notes

How to make and use notes that actually work — and why collecting others’ notes doesn’t.

📖 6 min readNew · Jun 2026
State PCS · UPPCSUPPSC

UPPCS Mains

Exam stages, the GS papers, the decisive UP-specific GK, and how to prepare.

📖 6 min readNew · Jun 2026
SocietyMains GS-1

Salient Features of Indian Society

Unity in diversity, family and kinship, caste, religious pluralism and “principled distance” secularism — the GS-1 society foundation.

📖 8 min readNew · Jun 2026
Society · DemographyPrelims & GS-1

Sex Ratio in India

Census 2011 (943), the declining child sex ratio (919), NFHS-5, the PCPNDT Act and Beti Bachao Beti Padhao.

📖 7 min readNew · Jun 2026
EconomyMains GS-3

How the Poverty Line is Estimated

From the calorie norm to Tendulkar and Rangarajan, and the shift to the multidimensional poverty index.

📖 9 min readNew · Jun 2026
GeographyHigh-freq Prelims

Physiographic Divisions of India

Himalayas, Northern Plains, Peninsular Plateau, Thar Desert, Coastal Plains and Islands — India’s six macro regions.

📖 9 min readNew · Jun 2026
Ancient HistoryPrelims

Sangam Age & Society

Tamilakam, the Chera-Chola-Pandya kingdoms, Sangam literature, the tinai eco-zones and Indo-Roman trade.

📖 9 min readNew · Jun 2026
Modern HistoryPersonalities

Bankim Chandra Chattopadhyay

Author of Vande Mataram and Anandamath, pioneer of modern Indian fiction and cultural nationalism.

📖 6 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Raja Ram Mohan Roy

Father of the Indian Renaissance — Brahmo Sabha (1828), abolition of Sati (1829), English-education advocate.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Swami Vivekananda

Disciple of Ramakrishna — 1893 Chicago Address, founded Ramakrishna Mission (1897); 12 Jan National Youth Day.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Swami Dayanand Saraswati

Founded Arya Samaj (1875), Shuddhi movement, “Back to the Vedas”, Satyarth Prakash.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Jyotiba Phule

Mahatma — Satyashodhak Samaj (1873), opened first girls’ school in 1848, “Gulamgiri”.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Savitribai Phule

India’s first woman teacher — Bhide Wada (1848), Mahila Seva Mandal; died nursing plague patients (1897).

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Periyar E.V. Ramasamy

Self-Respect Movement, Vaikom Satyagraha, Dravidar Kazhagam (1944) — root of Dravidian politics.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Subhash Chandra Bose

Netaji — Forward Bloc (1939), INA / Azad Hind (1943), Red Fort trials; Parakram Diwas 23 Jan.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Dr. B.R. Ambedkar

Architect of the Constitution — Mahad (1927), Poona Pact (1932), Drafting Committee Chair; Buddhist conversion at Deekshabhoomi (1956).

📖 6 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Annie Besant

Theosophical Society, Home Rule League (1916), first woman Congress President (1917, Calcutta).

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Birsa Munda

Dharti Aba — Ulgulan (1899-1900), Chotanagpur Tenancy Act (1908); Janjatiya Gaurav Diwas 15 Nov.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

M.G. Ranade

Prarthana Samaj, Indian National Social Conference (1887), Deccan Education Society; Gokhale’s mentor.

📖 5 min readNew · Jun 2026
Modern History · PersonalitiesPrelims & Mains

Chandrashekhar Azad

Kakori (1925), founded HSRA (1928) with Bhagat Singh; died fighting at Alfred Park (1931).

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Tilka Manjhi

First anti-British tribal rebel — Damin-i-Koh resistance (1771-85), killed Augustus Cleveland (1784), hanged Bhagalpur.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Sidhu & Kanhu Murmu

Led the Santhal Hul (1855-56) — Bhognadih 30 June (Hool Divas), led to Santhal Pargana District (Act XXXVII of 1855).

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Tantya Bhil

The Indian Robin Hood — Bhil resistance in Nimar (MP) 1878-89, hanged Jabalpur 1889; India Post stamp 2008.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Rani Durgavati

Gondwana queen of Garha-Mandla — Battle of Narrai (1564) vs Akbar’s Asaf Khan; Balidan Diwas 24 June.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Rani Gaidinliu

Naga heroine of the Heraka Movement — 14 yrs in colonial prison, Padma Bhushan 1972.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Alluri Sitarama Raju

“Manyam Veerudu” — Rampa Rebellion (1922-24) against Madras Forest Act, killed by Major Goodall 1924.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Komaram Bheem

Gond hero of Adilabad — “Jal Jangal Zameen” against Nizam of Hyderabad; killed at Jodeghat 1940.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Tana Bhagat (Jatra Oraon)

Non-violent Oraon revivalist movement (April 1914) — predated Gandhi’s satyagraha by 5 years.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

U Tirot Sing

Khasi Syiem of Nongkhlaw — Anglo-Khasi War (1829-33), died in Dhaka prison 1835; U Tirot Sing Day 17 July.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Veer Narayan Singh

Binjhwar Gond zamindar of Sonakhan — first Adivasi martyr of 1857; hanged Jaistambh Chowk Raipur 10 Dec 1857.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Budhu Bhagat

Oraon leader of the Larka Kol Rebellion (1831-32) — killed Silagain village; led to South-West Frontier Agency 1833.

📖 5 min readNew · Jun 2026
Modern History · TribalPrelims & Mains

Laxman Nayak

Bhumiya tribal Congress leader — Mathili police-station march (21 Aug 1942), hanged Berhampur jail 29 Mar 1943.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

1st Amendment (1951)

Created the Ninth Schedule, added 19(2) free-speech restrictions, protected zamindari abolition. Limited by I.R. Coelho 2007.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

7th Amendment (1956)

States Reorganisation — abolished Part A/B/C/D classification; 14 states + 6 UTs on linguistic lines, after Fazl Ali Commission.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

24th Amendment (1971)

Response to Golak Nath — restored Parliament’s power to amend Fundamental Rights (Article 368). Upheld in Kesavananda Bharati 1973.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

26th Amendment (1971)

Abolished privy purses and recognition of former princely rulers after Madhav Rao Scindia case.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

42nd Amendment (1976)

The Mini-Constitution — 25 changes including Socialist/Secular Preamble, Fundamental Duties, 6-year terms. Partly struck in Minerva Mills 1980.

📖 6 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

44th Amendment (1978)

Janata’s rollback — Right to Property moved to Article 300A; "armed rebellion" replaces "internal disturbance" for Emergency.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

52nd Amendment (1985)

First Anti-Defection Law — added Tenth Schedule after "Aaya Ram Gaya Ram" era. Kihoto Hollohan (1992) trimmed Speaker’s finality.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

61st Amendment (1989)

Voting age lowered from 21 to 18 — added ~50 million 18-20 yr old voters for the November 1989 general election.

📖 4 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

86th Amendment (2002)

Article 21A — free and compulsory education for 6-14 yr olds as a Fundamental Right; led to RTE Act 2009.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

91st Amendment (2003)

Closed Tenth Schedule 1/3rd split loophole; capped Council of Ministers at 15% of legislature size.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

101st Amendment (2016)

Goods & Services Tax — Article 246A concurrent power, GST Council (279A); rolled out 1 July 2017.

📖 5 min readNew · Jun 2026
Polity · AmendmentPrelims & Mains

103rd Amendment (2019)

10% EWS reservation in education and jobs — Articles 15(6), 16(6); upheld 3:2 in Janhit Abhiyan 2022.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

C.V. Raman

1930 Nobel Physics for the Raman Effect (28 Feb 1928); founded Raman Research Institute; Bharat Ratna 1954. National Science Day 28 February.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

J.C. Bose

Wireless radio waves Nov 1895 (18 months before Marconi); crescograph; founded Bose Institute 1917; FRS 1920.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Homi Bhabha

Father of India’s nuclear programme — founded TIFR (1945), authored Three-Stage Programme; died Mont Blanc air crash Jan 1966.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Vikram Sarabhai

Father of India’s space programme — founded PRL Ahmedabad (1947), ISRO (Aug 1969); conceived SITE 1975-76.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

APJ Abdul Kalam

Missile Man — SLV-3 (1980), IGMDP (Agni/Prithvi), Pokhran-II 1998; 11th President 2002-07; Bharat Ratna 1997.

📖 6 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Satyendra Nath Bose

Derived Planck’s law from first principles (1924, Dhaka); Bose-Einstein statistics + the “boson” named after him by Dirac (1947).

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Meghnad Saha

Saha ionization equation (1920) — foundation of stellar spectroscopy; founded SINP Calcutta (1950); chaired Calendar Reform Committee 1952.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Sálim Ali

Birdman of India — statewide bird surveys, Handbook of Birds of India and Pakistan; key role in Bharatpur (Ramsar 1981). Padma Vibhushan 1976.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

M.S. Swaminathan

Father of India’s Green Revolution — semi-dwarf wheat with Borlaug 1965-66; National Commission on Farmers; Bharat Ratna 2024 (posthumous).

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Verghese Kurien

Father of the White Revolution — founded Amul, designed Operation Flood 1970-96; National Milk Day 26 November.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

S. Chandrasekhar

Chandrasekhar Limit (1.44 solar masses, 1930); 1983 Nobel Physics; NASA Chandra X-ray Observatory (1999) named after him.

📖 5 min readNew · Jun 2026
S&T · Indian ScientistPrelims & Mains

Raja Ramanna

Led India’s first nuclear test — Smiling Buddha at Pokhran 18 May 1974; Director BARC; AEC Chairman; Padma Vibhushan 1975.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

RTI Act 2005

Right to Information — PIO + 30-day reply; CIC/SIC; Section 8 exemptions. 2019 Amendment shifted tenure/salary to the Centre.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

FRA 2006

Forest Rights Act — IFR (4 ha) + CFR + Community + Habitat rights; Gram Sabha decides; Niyamgiri 2013 upheld veto.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

RTE Act 2009

Operationalises Article 21A — 25% private-school reservation, neighbourhood schools, no-detention modified by 2019 amendment.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

NFSA 2013

75% rural + 50% urban coverage; PHH 5kg/person + AAY 35kg; women head of household; PMGKAY extended free till Dec 2028.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

Companies Act 2013

Replaced 1956 Act; Section 135 mandatory CSR; One-Person Companies; Independent Directors; Class Action Suits; NCLT/NCLAT/SFIO.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

Land Acquisition Act 2013

80% consent for private, 70% for PPP; 4× rural / 2× urban compensation; SIA + R&R; 2015 Ordinance attempt failed.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

PMLA 2002

Prevention of Money Laundering — ED powers; §24 reverse burden; §45 twin bail; §50 admissible statements. Vijay Madanlal 2022 upheld.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

IBC 2016

Time-bound 330-day CIRP; CoC commercial wisdom; §29A bar; NCLT; IBBI regulator. Swiss Ribbons + Essar Steel key cases.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

Aadhaar Act 2016

Money Bill; §7 mandatory linking for subsidies. Puttaswamy I (2017 privacy) + Puttaswamy II (2018 4:1 upheld with restrictions).

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

GST Acts 2017

CGST + SGST + UTGST + IGST — operationalised 101st Amendment; rolled out 1 July 2017. Mohit Minerals 2022 = Council not binding.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

CAA 2019

Fast-track citizenship for non-Muslim migrants from Pakistan/Bangladesh/Afghanistan arriving before 31 Dec 2014. Rules notified March 2024.

📖 5 min readNew · Jun 2026
Polity · ActPrelims & Mains

DPDP Act 2023

India’s first comprehensive privacy law — Data Principal/Fiduciary; Data Protection Board; Rs 250 cr penalty; §17 State exemption.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Kesavananda Bharati (1973)

Basic Structure doctrine — 13-judge bench, 7:6 verdict; Parliament can amend but not destroy basic structure. Justice H.R. Khanna’s 7th vote was decisive.

📖 6 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

ADM Jabalpur (1976)

Habeas Corpus Case — 4:1 held Article 21 suspended during Emergency; Justice H.R. Khanna sole dissenter. Expressly overruled in Puttaswamy 2017.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Maneka Gandhi (1978)

7-judge bench expanded Article 21 to include due process; golden triangle of Articles 14-19-21. Overruled A.K. Gopalan 1950.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Minerva Mills (1980)

5-judge bench struck down 42nd Amendment Article 368(4)/(5) — limited amending power and FR-DPSP harmony are basic structure.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Olga Tellis (1985)

Pavement Dwellers Case — right to livelihood is part of right to life under Article 21; fair procedure mandatory before eviction.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Indra Sawhney (1992)

9-judge Mandal Case — upheld 27% OBC reservation; fixed 50% cap; introduced creamy-layer doctrine; struck down economic-criteria.

📖 6 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

S.R. Bommai (1994)

9-judge bench — President’s Rule under Art 356 subject to judicial review; floor test mandatory; secularism & federalism are basic structure.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Vishaka (1997)

3-judge bench laid down Vishaka Guidelines on workplace sexual harassment — binding under Art 141 till POSH Act 2013 codified them.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

NALSA (2014)

Recognised transgender as “third gender”; right to self-identification of gender; led to Transgender Persons Act 2019.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

K.S. Puttaswamy (2017)

9-judge unanimous — Right to Privacy is a Fundamental Right under Article 21; overruled M.P. Sharma, Kharak Singh, expressly ADM Jabalpur 1976.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Shayara Bano (2017)

5-judge bench (3:2) struck down triple talaq (talaq-e-biddat) as unconstitutional; led to Muslim Women Act 2019 with 3-yr jail penalty.

📖 5 min readNew · Jun 2026
Polity · JudgmentPrelims & Mains

Navtej Singh Johar (2018)

5-judge unanimous — read down Section 377 IPC to decriminalise consensual same-sex acts; overruled Suresh Kumar Koushal 2013.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Munshi Premchand

Father of modern Hindi-Urdu fiction; Godaan, Gaban, Karmabhoomi; Soz-e-Watan banned 1909; PWA President 1936.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Subramania Bharati

“Mahakavi Bharathiyar” — Tamil nationalist poet; Vande Mataram, Panchali Sapatham; Pondicherry exile 1908-18; died 1921.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Amrita Sher-Gil

Pioneer of Indian modern painting; Paris Beaux-Arts trained; National Treasure artist 1976; The Story Teller Rs 61.8 cr record.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Bismillah Khan

Shehnai maestro — Red Fort 15 Aug 1947; lifelong Varanasi resident; Bharat Ratna 2001 (3rd musician).

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

M.S. Subbulakshmi

First-musician Bharat Ratna 1998; UN GA concert 23 Oct 1966; Venkateshwara Suprabhatam; Magsaysay 1974.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Satyajit Ray

Pather Panchali 1955; Apu Trilogy; Honorary Oscar 16 Mar 1992 & Bharat Ratna 1992; Dadasaheb Phalke 1985.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Bhupen Hazarika

“Sudhakantha” bard of the Brahmaputra; Bistirno Parore/Ganga Behti Ho; Dadasaheb Phalke 1992; Bharat Ratna 2019.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Mahasweta Devi

Bengali writer-activist; Hajar Churashir Maa, Aranyer Adhikar; Lodha/Sabar tribal rights; Magsaysay 1997, Jnanpith 1996.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Lata Mangeshkar

Nightingale of India; 36+ languages; Ae Mere Watan Ke Logon (1963); Bharat Ratna 2001 (2nd musician after MS).

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

R.K. Narayan

Creator of Malgudi; Swami and Friends 1935; The Guide 1958 (Sahitya Akademi); Padma Vibhushan 2000; Graham Greene’s find.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Pt. Bhimsen Joshi

Kirana gharana vocalist; Sawai Gandharva sishya; Mile Sur Mera Tumhara lead voice 1988; Bharat Ratna 2008.

📖 5 min readNew · Jun 2026
GS-1 · Art & CulturePrelims & Mains

Pt. Ravi Shankar

Sitar maestro; Maihar-Senia under Allauddin Khan; Beatles + Concert for Bangladesh 1971; 3 Grammys; Bharat Ratna 1999.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

UNESCO

UN Educational, Scientific & Cultural Organization — Paris 1945; India 43 World Heritage Sites incl. Moidams Charaideo 2024; 15 Intangible Heritage incl. Garba 2023.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

UNICEF

UN Children’s Fund 1946; 1965 Nobel Peace Prize; India since 1949; polio-free 27 Mar 2014; CRC 1989 ratified 1992.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

UNDP

UN Development Programme 1965; Human Development Report since 1990; India HDI rank 134/193 (2025); SDGs 2030 lead agency.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

UNHCR

UN High Commissioner for Refugees, Geneva 1950; Nobel Peace 1954+1981; India NOT party to 1951 Convention, hosts Tibetan/Tamil/Rohingya refugees.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

IAEA

International Atomic Energy Agency, Vienna 1957; Nobel Peace 2005; India 14 reactors under safeguards post-2008 NSG waiver; Grossi DG.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

BRICS

Brazil-Russia-India-China-SA founded Yekaterinburg 2009; expanded to BRICS+ Johannesburg 2023; NDB Shanghai 2014; India chairs 2025.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

ASEAN

Association of SE Asian Nations — Bangkok 1967; 10 members, Jakarta HQ; India Dialogue Partner 1992, Strategic 2012; Act East 2014.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

QUAD

Quadrilateral — India+US+Japan+Australia; Abe 2007 → Manila 2017 revival → 1st leaders summit 12 Mar 2021; Delaware 2024; India hosts 2025.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

NAM

Non-Aligned Movement — Belgrade 1961; founders Nehru+Tito+Nasser+Sukarno+Nkrumah; 121 members; Bandung 1955 origin; Kampala 2024 summit.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

Commonwealth

56-state voluntary association; King Charles III Head; London Declaration 1949 enabled republic-India; Delhi CWG 2010; Samoa CHOGM 2024.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

FATF

Financial Action Task Force — G7 Paris 1989; 40+9 Recommendations; India full member 2010; Pakistan grey-listed 2018-22; India MER Sept 2024 best category.

📖 5 min readNew · Jun 2026
GS-2 · IRPrelims & Mains

AIIB

Asian Infrastructure Investment Bank — Beijing 2016; 109 members; India 2nd shareholder + largest borrower ($10.3 bn / 36 projects).

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Jawaharlal Nehru

1st & longest-serving PM (1947-64); Tryst with Destiny; Panchsheel 1954; NAM Belgrade 1961; Pokhran-I not yet; Bharat Ratna 1955.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Lal Bahadur Shastri

2nd PM (1964-66); Jai Jawan Jai Kisan; 1965 Indo-Pak War; Tashkent Declaration 10 Jan 1966; died next day. Bharat Ratna 1966 (1st posthumous).

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Indira Gandhi

3rd PM (1966-77, 80-84); bank nationalisation 1969; 1971 Bangladesh war; Pokhran-I 1974; Emergency 1975-77; assassinated 31 Oct 1984.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Morarji Desai

4th PM (1977-79); first non-Congress; Janata Party; 44th Amendment 1978; only Indian with Bharat Ratna 1991 + Nishan-e-Pakistan 1990.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Charan Singh

5th PM (1979-80); only PM who never faced Parliament; Kisan Diwas 23 Dec; Bharat Ratna posthumous 2024.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Rajiv Gandhi

6th & youngest PM at 40 (1984-89); 52nd Amendment Anti-Defection 1985; voting age 18 (61st Amend 1988); assassinated 21 May 1991 at Sriperumbudur.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

V.P. Singh

7th PM (1989-90); implemented Mandal Commission’s 27% OBC reservation 7 Aug 1990; Bofors crusader; collided with Advani’s Rath Yatra.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Chandra Shekhar

8th PM (1990-91); Young Turk 1969; 1991 BoP crisis pledged 47 tonnes gold; Bharat Yatra 4260 km 1983-84.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

P.V. Narasimha Rao

9th PM (1991-96); first South Indian; 1991 LPG reforms with FM Manmohan Singh; 73rd+74th Amendments 1992; Bharat Ratna 2024 (posthumous).

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

H.D. Deve Gowda

10th PM (1996-97); United Front 13 parties; FM Chidambaram “Dream Budget” 1997; Ganga Water Treaty 1996; founded JD(S) 1999.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

I.K. Gujral

11th PM (1997-98); United Front; Gujral Doctrine 5 principles of non-reciprocity for neighbours; USSR Ambassador 1976-80.

📖 5 min readNew · Jun 2026
GS-1/2 · Modern History · PMPrelims & Mains

Atal Bihari Vajpayee

3-time PM (1996, 1998-99, 1999-2004); Pokhran-II May 1998; Lahore Bus 1999; Kargil War; Golden Quadrilateral; Bharat Ratna 2015.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

RBI

Central bank; Hilton-Young 1926→RBI Act 1934→1 Apr 1935; nationalised 1949; Gov Sanjay Malhotra Dec 2024; MPC since 2016.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

SEBI

Securities regulator; executive 1988, statutory SEBI Act 30 Jan 1992; Chair Tuhin Kanta Pandey Mar 2025.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

CAG

Constitutional Art 148-151; “most important officer” (Ambedkar); 6 yr/65; 15th CAG K. Sanjay Murthy Nov 2024.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

UPSC

Constitutional Art 315-323; PSC 1926→FPSC 1937→UPSC 1950; Chair Preeti Sudan Aug 2024; 6 yr/65 term.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

NHRC

Statutory PHRA 1993; Chair V. Ramasubramanian Dec 2024; 3 yr term post 2019; GANHRI A-status under review.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

CIC

RTI Act 2005; 1+10 max; CIC Heeralal Samariya Nov 2023; 3 yr/65 post 2019 RTI amendment.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

Lokpal

Lokpal & Lokayuktas Act 2013; Anna Hazare Jan Lokpal movement; Chair Justice A.M. Khanwilkar Mar 2024.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

Attorney General

First law officer Art 76; R. Venkataramani 1 Oct 2022; M.C. Setalvad 1st AG 13 yrs.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

NCBC

Constitutional 102nd Amend 2018 (Art 338B); Mandal lineage; Chair Hansraj Ahir Sep 2022.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

NCW

NCW Act 1990, commenced 31 Jan 1992; Chair Vijaya Rahatkar Oct 2024; powers of civil court.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

Inter-State Council

Art 263; Sarkaria Comm 1988 → V.P. Singh Presidential Order 28 May 1990; PM chairs; 12 meetings in 34 years.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

State Election Commission

Art 243K/243ZA; 73rd+74th Amend 1992; conducts local-body polls; distinct from ECI.

📖 5 min readNew · Jun 2026
GS-2 · Polity · BodyPrelims & Mains

Advocate General of State

Art 165; first law officer of State; appointed by Governor; pleasure tenure.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

BrahMos

Indo-Russian supersonic cruise missile; Mach 2.8-3; 290-800 km; Philippines $375 mn 2022 1st export.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Agni Series

IGMDP 1983 ballistic missile family; Agni-I to V (5000+ km ICBM); Mission Divyastra MIRV 11 Mar 2024.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Prithvi

India’s 1st indigenous SRBM; IGMDP 1st project; Army/IAF/Navy variants; phasing out for Agni Prime.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Tejas LCA

HAL+ADA indigenous 4.5-gen fighter; 1st flight 2001; IAF 2016; Mk-1A 180-order; Mk-2 in dev.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Rafale

French Dassault 4.5-gen; 36 IAF €7.87 bn 2016; 17 Sqn Ambala 2020; 26 Rafale-M Navy April 2025.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

S-400 Triumf

Russian long-range SAM 400 km; India $5.4 bn 2018 5 sqns; CAATSA waiver; Akashteer C2 link.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Akash SAM

DRDO IGMDP medium-range SAM; IAF 2014, Army 2015; Armenia $720 mn 2024 1st export.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Pinaka MBRL

DRDO ARDE Pune; 38-90 km; 12 rockets/44 sec; Kargil 1999 debut; Armenia 2023 $250 mn 1st export.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

INS Vikrant

1st indigenous aircraft carrier IAC-1; commissioned 2 Sept 2022 PM Modi at Kochi; 88% indigenous.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Arihant Class

1st indigenous SSBN; Aug 2016 commissioned; INS Arighat 29 Aug 2024; completes nuclear triad.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

AMCA

5.5-gen stealth fighter; CCS sanctioned 7 Mar 2024 Rs 15000 cr; 1st flight 2028-29; induction 2034-35.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

K-Family SLBM

K-15 Sagarika 750 km + K-4 3500 km operational; K-5 5000 km + K-6 8000 km MIRV in dev.

📖 5 min readNew · Jun 2026
GS-3 · Security · DefencePrelims & Mains

Defence Industrial Corridors

UP DIC 6 nodes + TN DIC 5 nodes (2018 Budget); BrahMos Lucknow; Pinaka Hosur; FY24 exports Rs 21k cr.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Industrial Revolution

Britain 1760-1840; Watt steam engine 1769; Hargreaves spinning jenny 1764; Chartism 1838; de-industrialised India.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Napoleonic Wars + Vienna

1803-15; Waterloo 18 June 1815; Congress of Vienna 1814-15 Metternich; Concert of Europe.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

American Civil War

1861-65 Union vs Confederacy; Lincoln Emancipation 1 Jan 1863; Gettysburg; 13th Amendment 1865.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Meiji Restoration

Japan 1868; Charter Oath; Fukoku Kyohei; 1889 Constitution; defeated China 1895 + Russia 1905.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

World War I

1914-18; Sarajevo 28 June 1914; Allies vs Central Powers; Versailles 28 June 1919; ~20 million dead.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

World War II

1939-45; Hitler invasion of Poland 1 Sept 1939; Pearl Harbor; Hiroshima 6 Aug 1945; UN 24 Oct 1945.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Cold War

USA vs USSR 1945-91; Iron Curtain 1946; NATO 1949; Cuba 1962; Berlin Wall fell 9 Nov 1989.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

African Decolonisation

Ghana 1957 (Nkrumah); Year of Africa 1960; Macmillan Wind of Change; OAU 25 May 1963.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Asian Decolonisation

India-Pak 1947; Indonesia 1945; Vietnam 1954+1975; Bandung 1955 → NAM 1961.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Chinese Revolution

Xinhai 10 Oct 1911 (Sun Yat-sen); Long March 1934-35; PRC 1 Oct 1949 Mao; Cultural Revolution 1966-76.

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Korean + Vietnam Wars

Korea 25 June 1950 - 27 July 1953 (DMZ 38th parallel); Vietnam 1955-75 (Fall of Saigon 30 Apr 1975).

📖 5 min readNew · Jun 2026
GS-1 · World HistoryPrelims & Mains

Collapse of USSR

Gorbachev glasnost+perestroika 1985; August coup 1991; USSR dissolved 26 Dec 1991; 15 successor states.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Linguistic States 1956

SR Act 1 Nov 1956; Potti Sriramulu 15 Dec 1952 martyr; Andhra 1953; 14 States + 6 UTs.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Sino-Indian War 1962

20 Oct - 21 Nov 1962; Aksai Chin + NEFA; Henderson Brooks-Bhagat Report; Nehru’s humiliation.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Goa Liberation 1961

Op Vijay 17-19 Dec 1961; ended 451 yr Portuguese rule; UN debate USSR veto; Goa state 30 May 1987.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Indo-Pak War 1965

Op Gibraltar+Grand Slam; Battle of Asal Uttar; Abdul Hamid PVC; Tashkent 10 Jan 1966.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Bangladesh War 1971

Op Searchlight 25 Mar; Mukti Bahini; Indo-Soviet Treaty 9 Aug; Dhaka surrender 16 Dec; Simla 1972.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Emergency 1975-77

Allahabad HC 12 June 1975; Article 352; 42nd Amendment; sterilisation; Janata 21 Mar 1977.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Op Blue Star 1984

1-10 June; Lt Gen K.S. Brar; Bhindranwale killed; Akal Takht destroyed; Indira assassinated 31 Oct.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Anti-Sikh Riots 1984

1-3 Nov 1984; ~3000 killed Delhi; Misra+Nanavati Commissions; Manmohan Singh apology 2005; Sajjan Kumar 2018.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Kashmir Insurgency 1989

Rubaiya kidnap 8 Dec 1989; Pandit exodus 19 Jan 1990; Art 370 abrogation 5 Aug 2019; Op Sindoor 2025.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Babri + Ayodhya

Advani Rath Yatra 1990; Demolition 6 Dec 1992; SC verdict 9 Nov 2019; Ram Mandir 22 Jan 2024.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Kargil War 1999

Op Vijay 3 May - 26 July; Tiger Hill 3 July; 4 PVCs (Batra+Pandey+Yadav+Sanjay Kumar); 26 July Vijay Diwas.

📖 5 min readNew · Jun 2026
GS-1 · Modern India · EventPrelims & Mains

Pulwama-Balakot-Sindoor

14 Feb 2019 CRPF 40 killed; Balakot 26 Feb; Abhinandan 27 Feb; Pahalgam 22 April 2025; Op Sindoor 7-10 May.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Ganga River System

2525 km; basin 8.6 lakh sq km; Bhagirathi+Alaknanda; Sundarbans delta; Namami Gange 2014.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Yamuna River

1376 km longest Ganga tributary; Yamunotri source; Triveni Sangam Prayagraj; Delhi’s lifeline.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Brahmaputra River

2900 km; Tsangpo→Dihang→Brahmaputra→Jamuna; Majuli world’s largest river island; Sorrow of Assam.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Indus River System

3180 km; Sengge Khabab Tibet source; Indus Waters Treaty 1960 (suspended 23 April 2025).

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Tapi (Tapti) River

724 km west-flowing peninsular; Multai MP→Surat Gujarat; Ukai Dam; Burhanpur Mughal trade.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Sabarmati River

371 km; Aravalli source; Gandhi Sabarmati Ashram 1917-30; Dandi March 12 Mar 1930; Riverfront 2012.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Eastern Ghats

1750 km discontinuous; Arma Konda 1680 m highest; Simlipal+Nallamala+Sathyamangalam Tiger Reserves.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Aravalli Range

World’s oldest fold mountain Pre-Cambrian 350 cr yrs; 670 km; Guru Shikhar 1722 m Mt Abu; Thar barrier.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Vindhyan Range

1050 km Gujarat-Bihar; divides N+Peninsular India; Sad-Bhaonra 752 m; Bhimbetka UNESCO; Panna diamonds.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Deccan Plateau

43% India land area; Deccan Traps 65-66 mya; Regur soil; Anaimudi 2695 m highest peninsular.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Indo-Gangetic Plain

7 lakh sq km; 2400 km Punjab-Assam; Bhabar+Tarai+Bhangar+Khadar; 5 Punjab Doabs; granary of India.

📖 5 min readNew · Jun 2026
GS-1 · GeographyPrelims & Mains

Islands of India

A&N 836 + Lakshadweep 36; Barren active volcano; Indira Point southernmost; Sentinelese; New Moore.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

IRDAI

Insurance regulator; IRDA Act 1999; Hyderabad HQ; Chair Debasish Panda Mar 2022; 74% FDI; Insurance for All 2047.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

PFRDA

Pension regulator; PFRDA Act 2013; NPS 2004; APY 2015; Unified Pension Scheme 1 Apr 2025; Chair Deepak Mohanty.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

NABARD

Rural finance apex; NABARD Act 1981; Mumbai HQ; Sivaraman Comm 1979; 100% Govt-owned 2018; RIDF since 1995; SHG-Bank Linkage.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

SIDBI

MSME finance apex; SIDBI Act 1989; Lucknow HQ; FFS Rs 10k cr; MUDRA refinancer; Chair Manoj Mittal Apr 2024.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

NHB

Housing finance apex; NHB Act 1987; New Delhi HQ; 100% Govt since Mar 2019; HFC regulation transferred to RBI Aug 2019.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

NPCI

Section 8 co Dec 2008; UPI 11 Apr 2016; 16+ bn txns/mo FY25; RuPay+IMPS+AePS+BHIM+FASTag; UPI international 7 countries.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

EXIM Bank

Trade finance apex; EXIM Act 1981; Mumbai; MD Harsha Bangari Sep 2022 (1st woman); $32 bn LoCs to 65 countries.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

ECGC

Export credit insurer; 30 July 1957 (ERIC); CPSE 100% Govt; Mumbai HQ; Rs 1.73 lakh cr max liability FY24; NIRVIK 2020.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

IFCI

India’s 1st DFI; IFCI Act 1948; established 1 July 1948; converted Co 1993; Govt 71.7%; loss FY24; merger discussed.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

IBBI

Insolvency regulator; Sec 188 IBC 2016; 1 Oct 2016; Rs 3.55 lakh cr cumulative recoveries; Chair Ravi Mital then Nidhi Singh Feb 2024.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

NCLT

Companies Act 2013 Sec 408-414; 1 June 2016; 16 benches; Pres Justice Sudhakar; ~21000 cases pending FY24; replaced CLB+BIFR.

📖 5 min readNew · Jun 2026
GS-2/3 · Polity · BodyPrelims & Mains

AMFI

MF SRO; Sec 8 co 22 Aug 1995; Mumbai HQ; Mutual Funds Sahi Hai 2017; AUM Rs 65 lakh cr May 2024; Chair Anthony Heredia Jul 2023.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Carnatic Wars

3 Anglo-French 1746-63; Dupleix vs Clive; Wandiwash 22 Jan 1760; Treaty of Paris 10 Feb 1763.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Battle of Plassey

23 June 1757; Clive 3000 vs Siraj 50000; Mir Jafar betrayal; conventional start of British rule.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Battle of Buxar

22 Oct 1764; Hector Munro vs Mir Qasim+Shuja-ud-Daulah+Shah Alam II; Treaty of Allahabad 1765 → Bengal Diwani.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Mysore Wars

4 wars 1767-99; Hyder Ali + Tipu Sultan; Mangalore 1784, Seringapatam 1792+1799; Tipu killed 4 May 1799.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Maratha Wars

3 wars 1775-1818; Salbai 1782, Bassein 1802, Mahidpur 1817; Peshwa pensioned at Bithur 1818.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Sikh Wars

2 wars 1845-49; Sobraon 1846, Treaty of Lahore; Gujrat 1849, Punjab annexed 29 March 1849.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Burmese Wars

3 wars 1824-1885; Yandabo 1826, Pegu 1852, Mandalay 1885; Upper Burma annexed 1 Jan 1886.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Afghan Wars

3 wars 1839-1919; Kabul retreat disaster 1842; Gandamak 1879; Rawalpindi 8 Aug 1919 → Afghan independence.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Anglo-Nepalese War

1814-16 vs Gorkha; Bal Bhadra at Nalapani; Sugauli 4 March 1816; Gorkha regiments raised.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Doctrine of Lapse

Dalhousie 1848-56; Satara, Jhansi, Nagpur; Awadh 1856 (misrule); major cause of 1857 Revolt.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Subsidiary Alliance

Wellesley 1798-1805; Hyderabad 1798 1st signatory; 4 standard terms; abolished 1858.

📖 5 min readNew · Jun 2026
GS-1 · Modern · WarPrelims & Mains

Battles of Panipat

3 battles: Babur-Lodi 1526, Akbar-Hemu 1556, Abdali-Maratha 1761.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Paris Agreement

COP21 12 Dec 2015; 1.5°C/well-below 2°C; NDCs; India Panchamrit COP26; Net Zero 2070.

📖 5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

ISRO — Overview

Founded 15 Aug 1969 (INCOSPAR 1962); Bengaluru HQ; DOS; Sarabhai; S. Somanath; IN-SPACe + NSIL.

📖 4-5 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

ADB — Asian Development Bank

Founded 19 Dec 1966 Manila; 68 members; India 2nd largest borrower; Masato Kanda (Japan).

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

BIMSTEC

Bangkok Declaration 6 Jun 1997; Dhaka secretariat 2014; Charter in force 20 May 2024; 7 members.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

OECD

Founded 30 Sep 1961 Paris; 38 members; India key partner; Pillar 2 global min tax 15% from 1 Jan 2024.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

OPEC + OPEC+

Baghdad 14 Sep 1960; Vienna 1965; 12 + 10 OPEC+; controls ~50% world oil; Angola left 1 Jan 2024.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

African Union

Durban Summit 9 Jul 2002; replaced OAU 1963; 55 members; AU joined G20 9 Sep 2023 Delhi (Modi).

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

European Union

Maastricht in force 1 Nov 1993; 27 members post-Brexit; 20 Eurozone; India FTA relaunched 2022; CBAM.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

APEC

Founded Nov 1989 Canberra (Bob Hawke); Singapore HQ 1993; 21 economies; India NOT a member.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

Interpol

Vienna 1923; Lyon HQ 1989; 196 members; CBI is India NCB; 90th GA New Delhi 2022 + Bharatpol 2025.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

ILO

Versailles 1919; Geneva HQ; 187 members; tripartite governance; Nobel Peace 1969; India 6/8 core conventions.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

WIPO

Stockholm 14 Jul 1967; Geneva HQ; 193 members; PCT + Madrid + Berne + Paris; GRATK Treaty 24 May 2024 (India win).

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

FAO

Quebec 16 Oct 1945 (first UN agency); Rome HQ; 195 members; QU Dongyu; IYM 2023 India-led.

📖 4 min readNew · Jun 2026
GS-2 · IR · International OrgPrelims & Mains

IMO

Geneva 1948 / in force 1958; London HQ (only UK UN agency); 176 members; MARPOL + SOLAS + STCW; HK Conv 26 Jun 2025.

📖 4 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Chandrayaan-1 (2008)

22 Oct 2008 PSLV-C11; M3 confirmed water on Moon; MIP 14 Nov 2008 Shackleton; ended 29 Aug 2009.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Chandrayaan-2 (2019)

22 Jul 2019 GSLV Mk III-M1; orbiter healthy; Vikram crash 7 Sep 2019 braking-thruster anomaly.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Chandrayaan-3 (2023)

14 Jul 2023 LVM3-M4; soft landing 23 Aug 2023 18:04 IST south pole; Shiv Shakti Point; LIBS sulphur.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Mangalyaan (MOM 2014)

5 Nov 2013 PSLV-C25; Mars orbit 24 Sep 2014 1st attempt; Rs 450 cr; ended 2 Oct 2022.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Gaganyaan

3-day crewed 400 km LEO; LVM3 HRLV; 4 IAF astronauts unveiled 27 Feb 2024; TV-D1 abort 21 Oct 2023; G4 2027.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

Aditya-L1 (2023)

2 Sep 2023 PSLV-C57; halo orbit L1 1.5 m km; HOI 6 Jan 2024; VELC 190 kg coronagraph IIA.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

NavIC (IRNSS)

7-sat GSO+GEO; ~20 m accuracy; L5 + S band; renamed by PM Modi 2016; NVS-01 (2023) adds L1.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

SSLV

500 kg LEO; 3 solid + VTM; D1 7 Aug 2022 fail; D2 10 Feb 2023 success; HAL-L&T transfer 2024.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

LVM3 (GSLV Mk III)

4 t GTO / 8 t LEO; CE-20 indigenous cryo; OneWeb 36 sats x 2; Chandrayaan-3; renamed 2022.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

PSLV

4-stage alt solid+liquid; 1750 kg SSO; PSLV-C37 104 sats world record 2017; Chandrayaan-1 + MOM + Aditya-L1.

📖 4-5 min readNew · Jun 2026
GS-3 · Science & Tech · SpacePrelims & Mains

NISAR (NASA-ISRO 2025)

First dual-freq L+S band SAR; ~$1.5 b; 12 m mesh antenna; launched 30 Jul 2025 GSLV-F16.

📖 4-5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Kyoto Protocol

11 Dec 1997 COP3; in force 16 Feb 2005; Annex-I 5.2% cut; CDM+JI+IET; USA not ratified; Doha 2012.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

CBD

Rio 5 June 1992; 3 objectives; 196 parties (USA not); Kunming-Montreal GBF Dec 2022; 30x30 target.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Cartagena Protocol

29 Jan 2000; LMO/GMO; AIA procedure; India ratified 17 Jan 2003; GEAC GMO regulator.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Nagoya Protocol

29 Oct 2010 CBD COP10; ABS via PIC+MAT; India ratified 9 Oct 2012; Cali Fund DSI 2024.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

CITES

3 March 1973 Washington DC; 3 Appendices; World Wildlife Day; India ratified 18 Oct 1976.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Ramsar Convention

2 Feb 1971 Iran; oldest MEA; India 89 Ramsar Sites (Aug 2024); Montreux Record; 2 Feb Wetlands Day.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Basel Convention

22 March 1989; Khian Sea + Koko triggers; PIC; Ban Amendment 5 Dec 2019; Plastic 2021.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Stockholm POPs

22 May 2001; Dirty Dozen; 36 POPs; India ratified 13 Jan 2006 (DDT exception); Endosulfan ban 2011.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Minamata Mercury

10 Oct 2013 Kumamoto; Minamata Disease 1956 Chisso; India ratified 18 June 2018; ASGM.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

UNCCD

17 June 1994 Paris (3 Rio Conventions); India ratified 1996; COP14 Delhi 2019; 26 mha by 2030.

📖 5 min readNew · Jun 2026
GS-3 · Environment · MEAPrelims & Mains

Bonn CMS

23 June 1979; only migratory species treaty; India ratified 1983; CMS COP13 Gandhinagar 2020.

📖 5 min readNew · Jun 2026
Governance · SchemePrelims

MPLADS

The MP’s ₹5-crore local-development fund — how it works, the district authority, and the COVID suspension.

📖 7 min readNew · Jun 2026
Governance · SchemeCurrent affairs

Sampoornata Abhiyan

NITI Aayog’s saturation drive across the Aspirational Districts and Blocks Programme.

📖 6 min readNew · Jun 2026
Reports & IndicesPrelims

Multidimensional Poverty Index

UNDP+OPHI; 3 dimensions, 12 indicators, NITI’s National MPI — poverty beyond income.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Global Innovation Index

WIPO; innovation inputs & outputs — India’s steady rise.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Corruption Perceptions Index

Transparency International; 0–100 perceived public-sector corruption.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Ease of Doing Business & B-READY

World Bank; old EoDB discontinued, replaced by B-READY — India’s reforms.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Environmental Performance Index

Yale & Columbia; climate, health & ecosystem — India contests the method.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Human Capital Index

World Bank; survival, schooling & health — the demographic-dividend stakes.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Logistics Performance Index

World Bank; 6 components — India’s push via Gati Shakti.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

SDG India Index

NITI Aayog; ranks states/UTs on the 17 SDGs — cooperative federalism.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Democracy Index

EIU; 5 categories & 4 regime types — India a 'flawed democracy'.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

World Inequality Report

World Inequality Lab (Piketty); income & wealth inequality — India’s picture.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Global Food Security Index

Economist Impact; affordability, availability, quality & sustainability.

📖 4 min readNew · Jun 2026
Reports & IndicesPrelims

Climate Change Performance Index

Germanwatch/CAN; 4 categories — India among the top performers.

📖 4 min readNew · Jun 2026
IndexRefresh yearly

Human Development Index 2025

UNDP’s HDI — the three components, India’s value and rank, and how it differs from IHDI, GII and MPI.

📖 6 min readNew · Jun 2026
IndexRefresh yearly

World Happiness Report 2025

The Cantril ladder, six explanatory factors, the global toppers and India’s rank.

📖 6 min readNew · Jun 2026
IndexRefresh yearly

Global Peace Index 2025

IEP’s three domains — societal safety, ongoing conflict and militarisation — and India’s rank.

📖 5 min readNew · Jun 2026
Important DayCurrent affairs

Veer Bal Diwas (26 December)

Honouring the Sahibzades — the history, the date, and why it was declared in 2022.

📖 5 min readNew · Jun 2026
Polity · EmergencyPYQ: GS-2

Emergency Provisions — Articles 352, 356 & 360

The three emergencies, the 44th Amendment safeguards and S.R. Bommai — how the Constitution lets the Union override federalism in a crisis.

📖 11 min readNew · Jun 2026
Polity · EmergencyPrelims

Article 352 — National Emergency

Grounds, approval, effects on rights (Articles 358 & 359), the three proclamations and the 44th Amendment corrections.

📖 9 min readNew · Jun 2026
Polity · ElectionsPYQ: 2017

Representation of the People Act 1951

The rulebook of Indian elections — disqualification (Section 8), corrupt practices, Lily Thomas and disclosure reforms.

📖 9 min readNew · Jun 2026
Polity · ParliamentPrelims

Joint Parliamentary Committee (JPC)

Composition, powers, JPC vs PAC, and the major JPCs from Bofors and 2G to the Waqf Bill.

📖 8 min readNew · Jun 2026
Polity · UTsPrelims

Article 240 — Regulations for Union Territories

The President’s regulation-making power for A&N, Lakshadweep, DNH & DD and Ladakh — within the 239-240 family.

📖 7 min readNew · Jun 2026
Polity · Modern HistoryPYQ: 2017

Government of India Act 1919 — Dyarchy

The Montagu-Chelmsford reforms, transferred vs reserved subjects, and the road to the Simon Commission.

📖 10 min readNew · Jun 2026
Polity · Modern HistoryPrelims

Charter Act of 1833

Governor-General of India, centralised law-making, the Law Member (Macaulay) and the first Law Commission.

📖 9 min readNew · Jun 2026
IR · WaterPYQ & Mains

Indus Waters Treaty 1960

River allocation, the dispute ladder, Kishanganga & Ratle, and India holding the treaty in abeyance in 2025.

📖 9 min readNew · Jun 2026
IR · Indian OceanMains GS-2

India-Mauritius Relations

Diaspora, Agalega, SAGAR/MAHASAGAR, the revised DTAA and the China factor in the Indian Ocean.

📖 9 min readNew · Jun 2026
IR · BoundariesPrelims map

Sir Creek Dispute

The Rann of Kutch estuary, the thalweg principle, and why a 96-km creek decides a maritime boundary.

📖 7 min readNew · Jun 2026
Polity PYQ: 2023, 2019

The Basic Structure Doctrine — Kesavananda to 2024

The most consequential judicial doctrine in Indian constitutional law. Kesavananda Bharati's 13-judge bench, Minerva Mills, NJAC, the 2024 Electoral Bonds verdict — five decades of constitutional litigation in 16 minutes.

📖 16 min readUpdated 28 May 2026
Polity · Federalism PYQ: 2024, 2022

Article 370 — Origin, Abrogation, 2023 Verdict

From the 1947 Instrument of Accession to the December 2023 Constitution Bench verdict. The 1954 Order, Article 35A, the 5 August 2019 abrogation, and the J&K Reorganisation Act — neutrally presented for UPSC GS-2 and GS-3.

📖 18 min readUpdated 28 May 2026
Polity · Fiscal PYQ: 2023, 2020

GST Council — Cooperative or Coercive Federalism?

Article 279A, 101st Amendment, the 3/4-majority voting structure, Supreme Court's 2022 Mohit Minerals verdict on non-binding recommendations, and the COVID compensation cess crisis.

📖 17 min readUpdated 28 May 2026
Polity · Centre-State PYQ: 2024, 2022, 2019

Indian Federalism — Constitutional to Cooperative

Schedule VII, federal vs unitary features, Sarkaria and Punchhi Commissions, GST Council, NITI Aayog, Inter-State Council, the 2024 Tamil Nadu Governor verdict, and asymmetric federalism (Article 371 series).

📖 19 min readUpdated 28 May 2026
Polity · Fundamental Rights PYQ: 2024, 2021, 2018

The Right to Privacy — Puttaswamy to DPDP Act

The 9-judge Puttaswamy 2017 verdict, the 4-part proportionality test, Aadhaar 2018, Navtej Singh Johar, Joseph Shine, Anuradha Bhasin internet shutdowns, Pegasus, DPDP Act 2023.

📖 17 min readUpdated 28 May 2026
Polity · Article 19 PYQ: 2024, 2022, 2014

Freedom of Speech & Article 19

Article 19(1)(a) scope, 8 reasonable restrictions under 19(2), Shreya Singhal Section 66A, sedition law from Kedar Nath to 2022 stay, internet shutdowns, hate speech, Electoral Bonds 2024 verdict.

📖 18 min readUpdated 28 May 2026
Polity · Article 21 PYQ: 2024, 2023, 2020

Right to Life — Article 21 Expanded

A.K. Gopalan to Maneka Gandhi to the derivative-rights universe — dignity, livelihood, environment, education, food, health, privacy, fair trial, Vishaka, capital punishment, Common Cause 2018 right to die with dignity.

📖 18 min readUpdated 28 May 2026
Polity · Articles 14-18 PYQ: 2024, 2023, 2022

Right to Equality — Articles 14-18 & Reservation

Articles 14-18, reasonable classification, non-arbitrariness. Reservation jurisprudence — Indra Sawhney 50% cap, EWS verdict 2022, the August 2024 Davinder Singh sub-classification verdict that overruled E.V. Chinnaiah.

📖 19 min readUpdated 28 May 2026
Economy · Monetary PYQ: 2024, 2022, 2019

Monetary Policy & Inflation Targeting

The 2016 framework shift — RBI Act Section 45ZB, the MPC, the 4% (+/-2%) target, the 2022-24 rate-hike cycle, monetary transmission and the EBLR reform, and contemporary debates over the next target review.

📖 17 min readUpdated 28 May 2026
Economy · Fiscal PYQ: 2024, 2023, 2020

Fiscal Policy & FRBM Act

FRBM Act 2003, fiscal deficit and revenue deficit, the N.K. Singh Committee 2017 reforms, the COVID-19 rupture (9.2% deficit), debt-to-GDP target, glide path to 4.5% by FY26, and the missing Fiscal Council.

📖 17 min readUpdated 28 May 2026
Economy · External PYQ: 2024, 2021, 2018

Balance of Payments & Currency Management

Current vs capital account, FX reserves at $640B (4th largest globally), the 1991 BoP crisis lesson, Twin Deficits framework, 2013 Taper Tantrum, rupee managed float, FDI/FPI dynamics, capital account convertibility debate.

📖 17 min readUpdated 28 May 2026
Economy · Welfare State PYQ: 2024, 2023, 2020, 2017

India's Subsidy Architecture

NFSA 2013 (80 crore beneficiaries), fertiliser subsidy (~₹1.7L cr), LPG (PAHAL + Ujjwala global model), MGNREGA, PM-KISAN, JAM trinity + DBT revolution (315+ schemes, ₹40L cr cumulative), state subsidies politics.

📖 18 min readUpdated 28 May 2026
Planned

Climate Action Roadmap — India's Net Zero by 2070

NDCs at COP26 Glasgow, Panchamrit goals, INDC progress, renewables target, ethanol blending, green hydrogen mission, India's stance on differentiated responsibility.

IR · Strategic PYQ: 2024, 2021, 2017

QUAD & Indo-Pacific Strategy

2007 Abe origin → 2008 collapse → 2017 revival → 2021 Leaders Summit → Working Groups (Vaccines, IPMDA, Critical Tech). Malabar exercise expansion, AUKUS interaction, India's multi-alignment framing, SAGAR doctrine.

📖 17 min readUpdated 28 May 2026
IR · Border PYQ: 2024, 2022, 2020

India-China LAC — Doklam to 2024 Agreement

McMahon Line, Doklam 2017, Galwan 15 June 2020 (20 Indian soldiers killed), 23 Corps Commander talks, friction points and disengagement, October 2024 patrolling agreement and Modi-Xi Kazan bilateral, India's multi-dimensional response.

📖 18 min readUpdated 28 May 2026
Health · Welfare PYQ: 2022, 2020, 2018

Ayushman Bharat — PMJAY, Wellness Centres, Digital Mission

PM Jan Arogya Yojana ₹5 lakh cover for 55 crore beneficiaries, Health & Wellness Centres rebranded Ayushman Arogya Mandir, ABDM digital backbone with 70 crore ABHA IDs, achievements and persistent gaps.

📖 14 min readUpdated 30 May 2026
Health · Public Systems PYQ: 2022, 2018, 2017

National Health Mission — ASHA, JSY, Three-Tier System

NRHM (2005) and NUHM (2013), 10.4 lakh ASHA workers (WHO award 2022), Janani Suraksha Yojana raising institutional deliveries from 38% to 89%, MMR decline 254 → 97, IPHS, PM-ABHIM, and India's public health spending gap.

📖 14 min readUpdated 30 May 2026
Health · Rights PYQ: 2024, 2019

Mental Health Policy — NMHP, MHCA 2017, Tele MANAS

NMHS 2015-16 prevalence 10.6%, treatment gap 70-92%, NMHP 1982, District Mental Health Programme, Mental Healthcare Act 2017 (decriminalisation of suicide, advance directive, Mental Health Review Boards), Tele MANAS 14416, National Suicide Prevention Strategy 2022.

📖 13 min readUpdated 30 May 2026
Health · Food Security PYQ: 2023, 2022, 2018

POSHAN Abhiyaan & NFSA — India's nutrition architecture

NFSA 2013 (80 cr beneficiaries), PMGKAY permanent 2024, ICDS / Saksham Anganwadi, PM POSHAN mid-day meal (11.8 cr students), POSHAN Abhiyaan 2018 + POSHAN 2.0, Anaemia Mukt Bharat (6×6×6), 100% rice fortification 2024, NFHS-5 stunting 35.5% anaemia 67%. Closes Health cluster at 4/4.

📖 14 min readUpdated 30 May 2026
Governance · Transparency PYQ: 2023, 2022, 2018

Right to Information Act 2005 — PIOs, CIC, 2019 Amendment

Twenty years of RTI; PIO 30-day timelines; Section 8 exemptions; Section 4 proactive disclosure; Central + State Information Commissions; the controversial RTI Amendment 2019 (tenure / salary independence); DPDP Act 2023 impact on Section 8(1)(j); 100+ RTI activists killed; landmark cases. Opens Governance cluster.

📖 14 min readUpdated 30 May 2026
Governance · Administration PYQ: 2024, 2022, 2019

Civil Services Reform & 2nd ARC — Mission Karmayogi, Lateral Entry

All-India Services architecture (Article 312); 1st ARC (Morarji Desai); 2nd ARC's 15 reports (Veerappa Moily 2005-09); Mission Karmayogi 2020; Capacity Building Commission; iGOT platform; lateral entry controversy (~63 cumulative entries; August 2024 withdrawal); generalist-vs-specialist debate; tenure stability gap.

📖 14 min readUpdated 30 May 2026
Governance · Anti-Corruption PYQ: 2024, 2022, 2017

Lokpal & Anti-Corruption — CVC, CBI, PMLA, ED

Lokpal Act 2013 architecture; CVC since 1964; CBI under DSPE Act 1946; Prevention of Corruption Act 1988 + 2018 Amendment (Section 17A); PMLA 2002 + ED's expanded role; Vijay Madanlal Choudhary 2022 Constitution Bench; Prabir Purkayastha 2024; state withdrawal of consent to CBI; Benami, FEO, Black Money Acts.

📖 14 min readUpdated 30 May 2026
Governance · Service Delivery PYQ: 2024, 2021, 2018

Citizen Charters & Public Services — Sevottam, RTPS, CPGRAMS

Citizen Charter movement (UK 1991 → India 1997); Sevottam quality framework (IS 15700:2018); ~22 states with Right to Public Services Acts (Madhya Pradesh first, 2010); CPGRAMS 7.0 (~24 lakh grievances/yr, 96% disposal); National e-Governance Plan + Digital India + UMANG; ~1,800+ services. Closes Governance cluster at 4/4.

📖 13 min readUpdated 30 May 2026
Internal Security · Defence PYQ: 2024, 2020, 2017

J&K, AFSPA & India's Internal Security Architecture

Kashmir militancy 1989-2024; Article 370 abrogation impact (local recruits 250→14); AFSPA 1958 scope and controversy; NIA Act 2008 + 2019 Amendment; UAPA Section 43D(5); 7 CAPFs (~10 lakh personnel); Multi-Agency Centre; SC In Re: Article 370 2023 Constitution Bench. Opens Internal Security cluster (10th).

📖 15 min readUpdated 30 May 2026
Internal Security · Tribal PYQ: 2023, 2020, 2018

Left-Wing Extremism — From Naxalbari to SAMADHAN

Naxalbari 1967 origin; CPI (Maoist) formed Sep 2004 (banned 2009); Red Corridor; Operation Green Hunt 2009; Salwa Judum + SC Nandini Sundar 2011; SAMADHAN doctrine 2017; major attacks (Dantewada 2010, Jiram Ghati 2013); decline from 126 LWE-affected districts (2010) to ~38 (2024); Amit Shah's 31 March 2026 elimination target.

📖 14 min readUpdated 30 May 2026
Internal Security · Technology PYQ: 2024, 2022, 2018

Cybersecurity in India — CERT-In, NCIIPC, DPDP Act

CERT-In since 2004 (Section 70B IT Act); NCIIPC since 2014 (Section 70A) — 7 CII sectors; IT Act 2000 + 2008 Amendment (S.66-67); DPDP Act 2023 with ₹250 cr penalty; CERT-In 6-hour reporting rule 2022; AIIMS ransomware Nov 2022; National Cyber Security Policy 2013; Cyber Surakshit Bharat; 13.9 lakh incidents in 2022.

📖 14 min readUpdated 30 May 2026
Internal Security · Maritime PYQ: 2024, 2022, 2019

Coastal & Maritime Security — Post-26/11 Architecture

26/11 Mumbai 2008 watershed; three-tier framework (Navy + Coast Guard + Marine Police); Coastal Surveillance Network (~84 radar stations); IMAC Gurugram 2014; NC3I network; IFC-IOR international hub 2018; Sagar Prahari Bal; biometric fisherman IDs; National Maritime Security Coordinator 2022. Closes Internal Security cluster at 4/4.

📖 14 min readUpdated 30 May 2026
Disaster Management · Governance PYQ: 2024, 2022, 2018

Disaster Management — DM Act 2005, NDMA, CDRI

DM Act 2005 enacted post-tsunami 2004; three-tier NDMA-SDMA-DDMA architecture; NDRF (16 battalions, ~13,500 personnel); NIDM; Sendai Framework 2015-2030 (7 targets, 4 priorities); CDRI launched by India 2019 (40+ countries); financial architecture (NDRF/SDRF + Mitigation Fund); DM (Amendment) Bill 2024. Opens Disaster Management cluster (11th).

📖 14 min readUpdated 30 May 2026
Disaster Management · Climate PYQ: 2024, 2022, 2019

Climate Disasters in India — Heatwaves, Cyclones, Floods, GLOF

Heatwaves (Delhi 49.9°C May 2024, 530+ deaths); cyclone evolution (Phailin → Fani → Amphan → Biparjoy); urban floods (Mumbai 2005, Chennai 2015, Bengaluru 2022); landslides (Wayanad 2024, India's deadliest); GLOF (Sikkim South Lhonak 3 Oct 2023); early warning (IMD, CWC, INCOIS, GSI); DM Bill 2024.

📖 14 min readUpdated 30 May 2026
Disaster Management · Environment PYQ: 2024, 2020, 2017

Industrial & Chemical Disasters — Bhopal to Vizag

Bhopal 1984 MIC leak (~25,000 cumulative deaths); Warren Anderson never extradited; 1989 SC settlement $470M; Vizag styrene LG Polymers 7 May 2020 (12 deaths); legal framework — EPA 1986, Factories Act 1987, MSIHC 1989, PLI Act 1991, NGT 2010; NDMA Chemical Guidelines; CBRN response; ~1,800 MAH units.

📖 13 min readUpdated 30 May 2026
Disaster Management · Health PYQ: 2024, 2022, 2020

Pandemic Preparedness — Post-COVID Architecture

COVID-19 lessons (220 cr vaccine doses; 5.3L official deaths vs Lancet 4.7M); PM-ABHIM ₹64,180 cr 2021-26; One Health (NIOH Nagpur, ICMR); IDSP → IHIP rollout; BSL-3 in every state + BSL-4 at NCDC; 5 regional NCDCs; WHO Pandemic Accord 2024; Epidemic Diseases Act 1897 reform pending. Closes Disaster Management cluster at 4/4.

📖 14 min readUpdated 30 May 2026
Ancient History · Archaeology PYQ: 2024, 2022, 2018

Indus Valley Civilisation — Harappa, Mohenjodaro, Town Planning

Mature Harappan 2600-1900 BCE; ~13 lakh sq km; ~2,000 sites; major sites — Harappa (Daya Ram Sahni 1921), Mohenjodaro (RD Banerji 1922), Dholavira (UNESCO 2021), Lothal dockyard, Rakhigarhi (largest, DNA 2019); Great Bath; standardised weights; undeciphered script (400+ symbols); trade with Mesopotamia (Meluhha); Sinauli 2018; decline theories. Opens Ancient & Medieval History cluster (12th).

📖 14 min readUpdated 30 May 2026
Ancient History · Polity PYQ: 2023, 2020, 2017

Mauryan & Gupta Empires — Ashoka and the Golden Age

Chandragupta Maurya 322 BCE; Kautilya Arthashastra; Megasthenes Indica; Ashoka (268-232 BCE); Kalinga War 261 BCE; Dhamma; edicts in Brahmi/Kharoshthi/Greek/Aramaic; Lion Capital → national emblem. Gupta Age (319-550 CE) — Chandragupta I, Samudragupta "Napoleon of India", Chandragupta II Vikramaditya; Faxian visit; Aryabhata (zero, decimal); Kalidasa; Mehrauli Iron Pillar; Nalanda University; decline by Huna invasions.

📖 15 min readUpdated 30 May 2026
Medieval History · Polity PYQ: 2024, 2022, 2018

Delhi Sultanate — Five Dynasties & the Bhakti-Sufi Era

Five dynasties 1206-1526 (Slave/Khilji/Tughlaq/Sayyid/Lodi); Qutbuddin Aibak 1206; Iltutmish; Razia Sultana; Alauddin Khilji's market regulation (4.75 lakh standing army); Muhammad bin Tughlaq's experiments (Daulatabad capital, token currency); Firoz Shah canals; iqta system; Bhakti (Kabir, Nanak, Mirabai) and Sufi (Chishti, Khwaja Moinuddin, Nizamuddin, Amir Khusro) movements; Vijayanagara & Bahmani in south.

📖 14 min readUpdated 30 May 2026
Medieval History · Polity PYQ: 2024, 2020, 2018

Mughal Empire — Babur to Bahadur Shah Zafar

Babur 1526 Panipat I (field artillery + Tulghuma); Humayun & Sher Shah interregnum; Akbar 1556-1605 (Din-i-Ilahi, Sulh-i-Kul, Mansabdari 1571, Todar Mal Dahsala revenue, Navratnas); Jahangir & Nur Jahan; Shah Jahan (Taj Mahal, Red Fort, Peacock Throne); Aurangzeb's Deccan policy; decline 1707-1857 (Nadir Shah 1739, Plassey 1757, Buxar 1764); 1857 First War of Independence; Bahadur Shah Zafar exiled. Closes Ancient & Medieval History cluster at 4/4.

📖 15 min readUpdated 30 May 2026
World History · GS-1 PYQ: 2024, 2018, 2014

Industrial Revolution & European Imperialism

Britain 1760s origins; James Watt steam engine 1769; cotton textiles, iron, coal triad; 1st IR (1760-1820) vs 2nd IR (1870-1914 electricity, chemicals, steel); spread to Belgium, France, Germany, USA, Russia, Japan (Meiji 1868); imperialism drivers (raw materials, markets, civilising mission); Berlin Conference 1884-85 & Scramble for Africa (90% by 1914); Asia colonisation; India's deindustrialisation (25% → 2% world manufacturing share). Opens World History cluster (13th).

📖 14 min readUpdated 30 May 2026
World History · GS-1 PYQ: 2020, 2018, 2015, 2014

World Wars I & II (1914-1945) — the century's two earthquakes

WWI MAIN causes (Militarism, Alliances, Imperialism, Nationalism); Franz Ferdinand 28 June 1914 Sarajevo; trench warfare; US entry 1917; Treaty of Versailles 28 June 1919 + League of Nations; interwar (Hyperinflation, Depression, Hitler 1933, Munich 1938, Molotov-Ribbentrop); WWII (1939-45) Blitzkrieg, Pearl Harbor 1941, Stalingrad, D-Day 1944, Holocaust 6M Jews, Hiroshima 6 Aug + Nagasaki 9 Aug 1945; UN founded 24 Oct 1945; India's role (1.3M WWI + 2.5M WWII soldiers, Quit India 1942, INA, Bengal Famine 1943).

📖 15 min readUpdated 30 May 2026
World History · GS-1/IR PYQ: 2022, 2018, 2017, 2014

Cold War (1947-1991) — Superpower contest & India's NAM

Origins (Iron Curtain 1946, Truman Doctrine 1947, Marshall Plan); blocs (NATO 1949, Warsaw Pact 1955); flashpoints (Berlin Blockade, Korea, Cuban Missile Crisis Oct 1962, Vietnam, Prague Spring 1968); Détente (SALT I 1972, Helsinki 1975); Second Cold War (Afghan 1979, SDI 1983); Gorbachev's Perestroika & Glasnost; fall of Berlin Wall 9 Nov 1989; USSR dissolves 26 Dec 1991; NAM Belgrade 1961 (Nehru, Nasser, Tito, Sukarno, Nkrumah); Panchsheel; Indo-Soviet Treaty 1971; 1971 Bangladesh War tilts.

📖 15 min readUpdated 31 May 2026
World History · GS-1 PYQ: 2018, 2017, 2014, 2013

Decolonisation & the Post-Colonial World — Closes World History 4/4

Five forces (economic exhaustion, ideological delegitimation, bipolar pressure, mobilised nationalisms, demonstration effect); Asia first (Philippines 1946, India 1947, Indonesia 1949, Vietnam 1954/75); Bandung 1955 (29 Asian-African states, Ten Principles, Panchsheel); Africa & Year of Africa 1960 (17 nations); UN Resolution 1514; Suez Crisis 1956 (Lester Pearson Nobel); Algeria 1954-62; Apartheid & Mandela (Rivonia 1964, free 11 Feb 1990, President 10 May 1994); NIEO 1974; UNCTAD 1964; ~140 new states; ~$125bn India remittances today.

📖 14 min readUpdated 31 May 2026