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Constitutional Polity

1Preamble of the Indian Constitution 2Fundamental Rights — Part III (Articles 12–35)3Fundamental Duties & Citizenship — Article 51A, Acquisition, Termination & CAA 4Directive Principles of State Policy (DPSP) — Part IV 5Union Executive — President, Vice-President, PM & Council of Ministers 6Presidents of India — Complete Quick-Reference (1950–Present)7Prime Ministers of India — Complete List, Tenures & UPSC Quick Reference 8Indian Parliament — Structure, Powers & Procedures 9Parliamentary Procedures, Question Hour & Parliamentary Committees — Indian Polity 10Parliamentary Privileges & Immunities — Articles 105 & 194, Breach of Privilege, Keshav Singh Case 11Attorney General & Law Officers of India — Article 76, Solicitor General, Advocate General 12State Government — Governor, CM, State Legislature & Advocate General 13Governor — Discretionary Powers, Role & Controversies 14State Legislature — Vidhan Sabha & Vidhan Parishad 15Indian Judiciary — Supreme Court, High Courts & Judicial Review 16Landmark Constitutional Judgments — Basic Structure, PIL, Privacy & Key SC Verdicts 17Judicial Reforms — Pendency, NJAC, Fast-Track Courts & Access to Justice 18Alternative Dispute Resolution — Lok Adalats, Gram Nyayalayas, Mediation & Arbitration 19Administrative Tribunals and Ombudsman 20Indian Constitution — Historical Underpinnings, Evolution & Basic Structure 21Centre-State Relations & Inter-State Disputes — Federalism in Practice 22Centre-State Financial Relations & Fiscal Federalism in India 23Inter-State Council & Zonal Councils — Cooperative Federalism Mechanisms 24Inter-State Water Disputes — Article 262, IRWD Act 1956, Tribunals & Recent Disputes 25Emergency Provisions — National, State & Financial Emergencies 26Local Government & Decentralisation — 73rd & 74th Amendments, Panchayati Raj, Urban Local Bodies 27Constitutional Bodies — ECI, CAG, UPSC, Finance Commission & National Commissions 28Finance Commission — Composition, Functions & 16th FC Recommendations 29Public Service Commissions — UPSC & State PSCs (Articles 315–323)30Comptroller and Auditor General of India (CAG) — Articles 148–151 31NHRC & Human Rights Institutions in India 32Statutory & Regulatory Bodies — Commissions, Tribunals & Authorities 33Electoral Systems & Reforms — ECI, Delimitation, NOTA & One Nation One Election 34Model Code of Conduct & Election Process — ECI, EVM, VVPAT 35Representation of the People Acts 1950 & 1951 — Salient Features 36Political Parties, Pressure Groups & Representative Democracy in India 37Pressure Groups and Civil Society 38Anti-Defection Law, PIL & Tribunals — 10th Schedule, Judicial Activism & Article 323 39Constitutional Amendments, Schedules & Special Provisions 40Constitutional Polity — Governance, Rights & Institutions 41Official Language Provisions — Articles 343–351, 8th Schedule, Classical Languages & Rajbhasha Policy 42Constitutional Morality, Basic Structure & Separation of Powers in India 43Comparative Constitutional Schemes — India vs UK, USA, France, Canada & Australia 44BNS, BNSS & BSA — India's New Criminal Laws (2024)45FRBM Act & Fiscal Consolidation Framework

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Indian Economy

1Indian Economy — Growth, Planning & Development 2National Income & Economic Indicators — GDP, GNP, Index Numbers & Economic Data 3Planning & Resource Mobilisation for Development in India 4Liberalisation, Privatisation & Globalisation — Effects on India's Economy 5NITI Aayog — Mandate, Vision 2047 & SDG Monitoring 6Union Budget & Disinvestment — Budget Process, Revenue & Capital, and Privatisation Policy 7Public Finance & Fiscal Policy — Budget, Deficits, FRBM & Finance Commission 8Direct Taxation — Income Tax, Corporate Tax & Reforms 9Goods and Services Tax (GST) — India's Tax Reform 10Inflation & Price Indices — CPI, WPI, Inflation Targeting 11RBI & Monetary Policy — MPC, Inflation Targeting & Tools 12Banking System & Monetary Policy — RBI, Rates & Financial Regulation 13Capital Markets, Insurance & Financial Inclusion 14Insurance, Pension & Social Security — IRDAI, NPS, EPFO & Social Protection 15Financial Inclusion & JAM Trinity — PMJDY, Direct Benefit Transfer & Fintech 16Digital Public Infrastructure, Fintech & Digital Economy — UPI, India Stack, ONDC, CBDC & e-Rupee 17Micro Finance, Self-Help Groups & Financial Inclusion 18Cryptocurrency, CBDC & Digital Assets — RBI's e-Rupee & India's Regulatory Framework 19External Sector — BoP, Trade, FDI & Trade Agreements 20India's Trade Policy — Anti-Dumping, Export Promotion & WTO Disputes 21Balance of Payments — Structure, Components & India's BoP 22External Debt, ECB & Sovereign Bonds — India's External Borrowing Framework 23Remittances & NRI Economy — India's Diaspora Dividend 24Global Financial Institutions — IMF, World Bank Group, ADB, AIIB, NDB 25Global Value Chains, Supply Chain Resilience & India's Manufacturing Integration 26SEZ Policy, Export Promotion & Trade Zones 27Investment Models & PPP in India — HAM, BOT, InvIT, NMP & Infrastructure Finance 28MSME Sector & Industrial Policy — Make in India, PLI & Manufacturing 29PLI Schemes & India's Manufacturing Competitiveness — Make in India 2.0 30India's Startup Ecosystem — Unicorns, Startup India, Innovation & DPIIT 31Infrastructure & Energy — NIP, Gati Shakti, Renewables & Nuclear 32Logistics & Transport Infrastructure — Railways, Highways, Ports, Aviation & Logistics 33Energy Security — India's Oil, Gas, Coal & Renewable Transition 34Housing, Real Estate & RERA — Affordable Housing & Urban Development 35Competition Policy & Consumer Protection — CCI, Anti-Trust, and Consumer Rights 36Food Processing Industry — Value Chain, Policy & Growth Drivers in India 37Indian Agriculture — Crops, MSP, Food Security & Reforms 38APMC Reform & Agricultural Marketing — e-NAM, Farm Laws, One Nation One Market 39Farm Subsidies in India — Direct, Indirect, WTO Compatibility & Reform 40Irrigation Systems in India — Types, Coverage, Efficiency & Policy 41Technology Missions in Agriculture — NFSM, MIDH, NMEO-Oilseeds & PMKSY 42E-Technology in Aid of Farmers — Digital Agriculture Mission & AgriStack 43Poverty, Inequality & Employment — Measurement, Schemes & Skills 44Indian Economy — Growth, Sectors, Policy & Reforms 45MSP & Agricultural Price Policy — CACP, Procurement & Farm Income 46Agricultural Insurance & Risk Management — PMFBY, RWBCIS & Reforms 47Land Reforms in India — Zamindari Abolition, Tenancy & Digital Land Records 48Cooperative Sector, Agricultural Credit & Rural Finance — AMUL, PACS, NCDC, NABARD & Multi-State Cooperatives 49Animal Husbandry, Dairy & Fisheries — Blue Revolution & India's Livestock Economy 50Food Security, PDS & Buffer Stock — NFSA, FCI, PMGKAY, ONORC 51Agricultural Storage, Transport & Marketing — Cold Chain, Warehousing & e-NAM 52Inclusive Growth & Rural Development — PMGSY, RURBAN, RKVY & India's Development Equity 53Inclusive Growth, HDI & MPI — Measuring Development Beyond GDP 54Regional Development & Aspirational Districts — Reducing Inter-State Disparities 55Demographic Dividend & Human Capital — Skill India, Labour Reforms & Productivity 56Sustainable Development & Green Economy — SDGs, ESG, Carbon Markets & Circular Economy 57Labour Reforms & New Labour Codes — India's Consolidation of Labour Law 58Union Budget & Economic Survey — Complete UPSC Reference Guide

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1Indus Valley Civilization (Mature phase c. 2600–1900 BCE)2Vedic Period (c. 1500–600 BCE)3Mahajanapadas & Rise of Magadha (c. 600–325 BCE)4Buddhism & Jainism — Origins, Teachings & Spread 5Maurya Empire & Ashoka (c. 321–185 BCE)6Post-Mauryan Period (c. 185 BCE – 300 CE)7Gupta Empire — The Golden Age (c. 320–550 CE)8Sangam Age & Early South India — Chera, Chola, Pandya & Tamil Literary Tradition 9Pallava Dynasty & Early Medieval South India 10Eastern India Powers — Palas, Pratiharas & Rashtrakutas (Tripartite Struggle)11Harsha & Post-Gupta Period — Early Medieval Transition 12Ancient Art, Architecture & Literature 13Ancient Indian Science & Contributions — Mathematics, Astronomy, Medicine & Metallurgy 14Ancient Indian Trade, Guilds & Economy — Silk Road, Maritime Routes & UPSC 15Ancient Indian Philosophy — Six Darshanas & Heterodox Schools 16Ancient Educational Institutions — Nalanda, Takshashila & Vikramshila

1Delhi Sultanate (1206–1526)2Chola Dynasty & South Indian Powers 3Vijayanagara Empire & Deccan Sultanates 4Mughal Empire — Babur to Akbar (1526–1605)5Later Mughals & Decline (1605–1857)6Mughal Art, Architecture & Cultural Legacy — Miniatures, Monuments & Din-i-Ilahi 7Mughal Administration, Economy & Cultural Contributions 8Bhakti & Sufi Movements 9Maratha Empire (1674–1818)10Sikh Gurus, Rajput Kingdoms & Regional Powers of Medieval India 11Medieval Society, Economy & Culture 12Medieval Administration & Revenue Systems — Sultanate & Mughal Governance

1British Conquest & Consolidation (1757–1857)2The Revolt of 1857 3Social & Religious Reform Movements 4British Land Revenue & Economic Policies 5Education, Press & Intellectual Awakening 6Colonial Administration & Civil Services in India — British Governance Structure 7Constitutional Development Under British Rule (1773–1947)8INC Formation, Moderates vs Extremists & Swadeshi Movement 9Non-Cooperation, Khilafat & Civil Disobedience Movements 10Gandhian Era — Champaran, Kheda, Rowlatt Satyagraha & Mass Movements 11Revolutionary Nationalism, INA & Subhas Chandra Bose 12Quit India Movement, Cripps Mission & Cabinet Mission 13Peasant, Tribal & Working Class Movements Under British Rule 14Women's Emancipation & Dalit Movements in Colonial India 15Early Nationalist Economic Thought — Drain Theory, Naoroji, Dutt & Economic Critique of Colonial Rule 16World Wars & Their Impact on India — Economic, Political & Social Consequences

Freedom Struggle

1Constitutional Acts of British India (1773–1935)2Rise of Indian Nationalism & the INC (1857–1905)3Extremists & Swadeshi Movement (1905–1919)4Khilafat Movement, Home Rule & Constitutional Reforms (1916–1920)5Gandhi's Early Movements (1915–1922)6Revolutionary Nationalists 7Simon Commission, Nehru Report & Poona Pact (1927–32)8Civil Disobedience & Round Table Conferences (1928–1934)9Dr. B.R. Ambedkar & the Dalit Movement in Colonial India 10Women in Freedom Movement, Role of Press & Princely States 11Quit India Movement & Final Phase (1939–1943)12Subhas Chandra Bose & the INA 13Road to Independence & Partition (1944–1947)

Post-Independence India

1Integration of Princely States & States Reorganisation 2Non-Alignment, Panchsheel & Nehruvian Foreign Policy 3Planned Economic Development 4Land Reforms, Zamindari Abolition & Agrarian Change 5States Reorganisation & Linguistic States — Fazl Ali Commission to Telangana 6Green Revolution & Agricultural Transformation — Food Self-Sufficiency & Rural Change 7Wars & Foreign Policy 8Social Legislation & Reservation Policy Since 1947 — Mandal, OBC, EWS & Affirmative Action 9The Emergency & Democratic Resilience (1975–1977)10Constitutional Evolution & Landmark Cases 11India's Nuclear & Space Programme — Strategic Autonomy & Scientific Achievement 121991 Economic Reforms & Liberalisation 13Coalition Era & Political Evolution — Multi-Party Democracy Since 1989 14Communalism, Partition & Ayodhya — Post-Independence Religious Politics

1Renaissance, Reformation & Scientific Revolution 2Ottoman Empire — Rise, Decline & Collapse 3Colonialism, Imperialism & Decolonisation — Europe's Expansion & Its Global Legacy 4Industrial Revolution & American Revolution 5French Revolution & Napoleonic Era 6Unification of Italy & Germany 7The Great Depression (1929) & the Inter-War Period 8World War I & Russian Revolution 9Rise of Fascism/Nazism & World War II 10Political Philosophies — Capitalism, Communism, Socialism, Fascism & Welfare State 11United Nations & Post-War World Order — UN System, Bretton Woods, NATO & Non-Alignment 12Redrawal of National Boundaries — Post-WWI and Post-WWII Settlements 13Cold War, Decolonisation & Globalisation 14Chinese Revolution & Asian Communism — Mao, Cultural Revolution & Modern China 15Arab Nationalism, African Liberation & Latin American Revolutions 16Collapse of the USSR & New World Order — Glasnost, Perestroika, Unipolar Moment & Globalisation

1Classical Languages of India — Sanskrit, Tamil & the Dravidian Linguistic Tradition 2Indian Art — Painting & Sculpture 3Classical Dance Forms of India 4Classical Music of India 5Temple Architecture & Heritage Sites 6UNESCO World Heritage Sites & Cave Architecture — Ajanta, Ellora, Hampi & India's Heritage Legacy 7Languages, Literature & Festivals 8Folk Arts, Theatre & Puppetry — India's Living Cultural Traditions 9Indian Martial Arts, Traditional Sports & Games — Kalaripayattu, Mallakhamb, Chess & Indigenous Games 10Indian Philosophy & Knowledge Systems — Six Darshanas, Heterodox Schools & Intellectual Traditions 11Sufism & Bhakti Movement — Medieval Devotional Revolution 12Indian Handicrafts, Textiles & GI-Tagged Products — Living Craft Traditions 13Intangible Cultural Heritage, GI Tags & Living Traditions of India 14Indian Cinema, Media & Broadcasting — Cultural Impact & Soft Power

Indian Knowledge Systems

1Vedic Mathematics & India's Contribution to Numbers 2Indian Astronomy — Vedic Tradition to Jantar Mantar 3Ayurveda — Charaka, Sushruta & Indian Medical Tradition 4Indian Metallurgy — Iron Pillar, Wootz Steel & Ancient Technology 5Sanskrit Grammar, Panini & Indian Linguistics Tradition 6Arthashastra — Kautilya's Science of Statecraft & Economics 7Yoga, Siddha & Indian Mind-Body Knowledge Systems 8Traditional Ecological Knowledge & India's Biodiversity Heritage 9IKS Institutionalisation — NEP 2020, AYUSH & Global Recognition 10Vastu Shastra, Town Planning & Architectural Science in Ancient India

1CCRT — Centre for Cultural Resources and Training: Overview & Significance 2CCRT Performing Arts — Classical Dance, Music, Theatre & Folk Traditions 3CCRT Visual Arts — Painting, Sculpture, Architecture & Crafts 4CCRT Literary Arts — Sanskrit, Regional Languages & Literary Traditions

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Physical Geography

1Astronomical Geography — Earth in Space, Latitude, Longitude & Time 2Plate Tectonics & Volcanism — Continental Drift, Sea-Floor Spreading & Volcanic Landforms 3Geomorphology & Landforms — Weathering, Erosion, Fluvial, Glacial & Aeolian Processes 4Soils & Biogeography — Global Soil Types, Biomes & Biodiversity Patterns 5Atmosphere, Climatology & Pressure Belts — Layers, Winds, Heat Budget, Cyclones & Climate Types 6El Niño, La Niña & ENSO — Climate Variability, Monsoon Impact & UPSC 7Monsoon Mechanism, Jet Streams & Tropical Cyclones 8Oceanography — Ocean Currents, Tides, Marine Resources & Marine Geography 9Natural Hazards & Vulnerability Mapping — Seismic Zones, Flood Maps & Risk Assessment 10Map Reading, Remote Sensing & GIS — Cartography, Satellite Imagery & Spatial Analysis

Indian Geography

1Indian Physical Geography 2Western Ghats & Eastern Ghats — Comparison, Biodiversity & Strategic Significance 3Important Mountain Passes & Peaks of India — Himalayan Passes, Heights & Strategic Significance 4Drainage Systems & River Geography of India — Himalayan vs Peninsular Rivers 5Climate of India and Monsoon Mechanism 6Geophysical Phenomena in India — Earthquakes, Tsunamis, Cyclones, Floods & Landslides 7Northeast India — Physical, Economic & Strategic Geography of the Eight Sisters 8Indian Coastline & Islands — Andaman & Nicobar, Lakshadweep, Coastal Ecosystems & Blue Economy 9Indian Soils, Natural Vegetation & Land Degradation — Soil Types, Conservation, UNCCD & Land Use Change 10Biogeography of India — Biomes, Endemic Species & Faunal Regions 11Resources and Environment 12Indian Minerals & Energy Resources — Coal, Oil, Gas, Nuclear & Renewables 13Water Resources & Irrigation in India — River Systems, Groundwater & Policy 14Crop Geography & Agricultural Regions of India — Crop Zones, State-Crop Mapping 15Transport & Communication Networks in India — Railways, Highways, Ports & Digital Infrastructure 16Population Geography of India — Distribution, Density & Census

World Geography

1World Geography 2World Physical Geography — Mountains, Oceans, Plains, Rivers & Natural Regions 3World Climate, Biomes & Climate Regions — Koppen Classification, ITCZ, Biomes & Global Climate Types 4Global Water Resources — Oceans, Rivers, Lakes & Transboundary Water Disputes 5World Natural Resources, Energy Geography & Geopolitics — Distribution, Strategic Significance & Resource Conflicts 6World Economic Geography — Global Agriculture, Industries, Trade Routes & Urbanisation 7World Population & Urbanisation — Global Demographic Trends, Megacities & Urban Challenges 8Middle East & Africa — Physical Geography, Resources & Geopolitical Significance 9Latin America & Southeast Asia — Physical Geography, Resources & Strategic Importance 10Geopolitics of Arctic, Antarctic & International Boundaries — Polar Regions & Disputed Territories 11World Mapping — Strategic Straits, Canals, Mountain Ranges & Important Places

Human & Economic Geography

1Human Geography of India 2Population & Migration Geography — Demographic Transition, Census & Global Migration Patterns 3Urbanisation & Smart Cities — Urban Growth, Challenges, AMRUT & Smart City Mission 4Agriculture Geography & Food Security — Crops, Green Revolution, MSP, PDS & NFSA 5Crop Geography & Agricultural Regions of India — Cropping Patterns, Seasons & Regional Agriculture 6Global Agriculture, Food Security & Agrarian Systems 7Land Use, Regional Planning & Development — Economic Corridors, SEZs & Spatial Planning 8Mineral Resources & Mining Economy of India — Distribution, Policy & Critical Minerals 9Industries & Location Factors — Economic Geography of India & World 10Trade Routes, Economic Corridors & Connectivity — BRI, IMEC, INSTC & Global Supply Chains 11Tourism & Cultural Geography — Heritage Sites, Ecotourism & India's Tourism Policy

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Ecology & Environment

1Ecology Fundamentals — Ecosystems, Food Chains & Biogeochemical Cycles 2Biodiversity and Conservation in India 3Wildlife Conservation — Protected Areas, Project Tiger & International Conventions 4Biodiversity Hotspots & Species Recovery — India's Conservation Success 5Biosphere Reserves of India — UNESCO MAB Programme 6National Biodiversity Authority & Access Benefit Sharing 7Ecosystem Services, Natural Capital & Environmental Economics 8Forest & Wetland Conservation — Types, Cover, Policies & Ramsar Sites 9Forest Governance, JFM, CAMPA & India's Forest Cover 10Wetlands, Ramsar Sites & Freshwater Ecosystem Conservation 11Coastal & Marine Ecosystems — Blue Economy & Ocean Conservation 12Marine Pollution, Ozone Depletion & Global Environmental Conventions 13Cryosphere, Himalayan Glaciers & Polar Regions — Climate & Security Implications 14Invasive Alien Species — Threats, Management & India's Policy Response 15Soil Degradation, Desertification & Land Use Change — UNCCD, LDN & Soil Health 16Groundwater Crisis — Depletion, Contamination & Governance 17Agriculture's Environmental Footprint — Climate, Soil & Water Nexus 18Air & Water Pollution — Sources, Standards, NCAP, Namami Gange & Remediation 19River Conservation & Water Governance — Namami Gange, Interlinking & Water Policy 20Light, Noise & Thermal Pollution — Rules, Limits & Impacts 21Waste Management & Ecosystem Services 22Circular Economy & Waste to Wealth — EPR, Plastic & E-Waste 23Environmental Impact of Mining — Ecology, Policy & Rehabilitation 24Climate Change and Pollution in India 25Climate Change — Paris Agreement, India's NDCs, Net Zero & COP Negotiations 26Climate Change Adaptation, India's NDC & Loss and Damage 27Environmental Laws and Governance in India 28Ecology, Environment & Biodiversity 29Carbon Markets, Climate Finance & Green Economy Instruments 30Renewable Energy & Sustainable Development — Solar, Wind, SDGs & Green Economy 31Biofuels & Ethanol Blending — National Biofuel Policy, E20 & SAF 32EIA, Environmental Clearance & Coastal Regulation — EIA 2006, CRZ 2019, NGT, Forest Clearance & Green Tribunal 33Environmental Movements & Ethics — Chipko, Narmada, Silent Valley & Green Justice

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Science & Technology

1Space Technology: ISRO, Missions, Satellites & Launch Vehicles 2Space Policy, ISRO & Outer Space Law — India's Space Programme 3NavIC & Geospatial Technology in India 4Drones, UAV Policy & India's New Space Economy — IN-SPACe, NSIL & Commercial Space 5Nuclear Technology, Nanotechnology & New Materials — India's Nuclear Programme & Emerging Tech 6Defence Technology — Missiles, Nuclear Doctrine, DRDO & Indigenisation 7Defence Indigenisation & Atmanirbhar Bharat — DAP 2020, PIL, iDEX & Defence Exports 8Biotechnology — GM Crops, CRISPR, Regulatory Framework, Bioeconomy & India's Biotech Sector 9Health Biotechnology — Vaccines, Genomics & Digital Health 10Gene Editing, CRISPR & Synthetic Biology — Applications, Ethics & India's Policy 11Pharma Industry — API, Drug Policy & India's Global Role 12Health Technology & Medical Devices — Telemedicine, mRNA, Genomics & Digital Health 13Telemedicine & Digital Health — eSanjeevani, ABDM, ABHA & CoWIN 14Emerging Technologies — AI, Quantum Computing, Blockchain, IoT & India's Tech Strategy 15Quantum Computing & Telecommunications — 5G, 6G, Quantum Supremacy & Digital India 16Electric Vehicles, Battery Technology & Semiconductors — India's Green Mobility & Chips Mission 17Robotics, Automation & Industry 4.0 — AI Manufacturing, Drones & Smart Factories 18AI Governance, Ethics & India's AI Policy — Regulation, Bias, Safety & IndiaAI Mission 19IT, Cybersecurity & Defence Technology in India 20Science & Technology — Space, Biotech, IT, Defence & Emerging Tech 21Semiconductor Policy, Electronics & India Semiconductor Mission 22Internet Governance & Cyber Law in India 235G, 6G & Telecom Policy — Spectrum, Architecture & India's Rollout 24India's IT Sector & Digital Divide — NASSCOM, BharatNet, India Stack & e-Governance 25Agritech & Precision Agriculture — Digital Agriculture Mission, AgriStack & IoT 26Green Hydrogen & Clean Energy Technology — India's National Green Hydrogen Mission 27Advanced Materials — Graphene, Carbon Nanotubes, Composites, Smart Materials & Applications 28Intellectual Property Rights — Patents, Trademarks, GI Tags, TRIPS & Compulsory Licensing 29Scientific Research Institutions & Governance — CSIR, DST, ICMR & Research Ecosystem 30Indian Scientists & S&T Milestones — Nobel Laureates to Chandrayaan-3

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1Mechanics, Motion & Gravitation 2Heat, Thermodynamics & Sound 3Light, Optics & Electromagnetic Waves 4Electricity, Magnetism & Electronics 5Modern Physics, Nuclear Science & Radioactivity — Atomic Theory, Fission, Fusion, Radioactivity, Radiation Safety & Nuclear Energy 6Scientific Instruments, Units & Inventions — Measurement Systems & Key Discoveries 7Fluid Mechanics & Surface Tension — Pressure, Buoyancy, Viscosity & Bernoulli's Principle 8Waves, Communication Technology & Fibre Optics — Radio, Satellite, Radar & Telecom Physics 9Energy Sources & Conversion — Conventional, Nuclear, Solar, Wind & Hydrogen Energy Physics 10Semiconductors, Diodes, Transistors & Logic Gates — Electronics for UPSC

1Atomic Structure, Periodic Table & Chemical Bonding 2Acids, Bases, Salts & Everyday Chemistry 3Metals, Non-Metals & Alloys 4Organic Chemistry, Polymers & Environmental Chemistry 5Environmental Chemistry & Fertilizers — Pollution Chemistry, Pesticides & Green Solutions 6Industrial Chemistry & Materials — Cement, Glass, Ceramics, Fuels & Nanomaterials 7Biochemistry & Food Chemistry — Carbohydrates, Proteins, Vitamins, Enzymes & Food Preservation 8Solutions, Colloids & Everyday Science — Mixtures, Emulsions, Household Chemistry & Daily Life Applications 9Electrochemistry & Batteries — Electrolysis, Galvanic Cells, Corrosion & Modern Batteries 10Drugs, Dyes, Soaps & Common Chemicals — Everyday Chemistry for UPSC 11Everyday Chemistry, Materials & Industrial Processes

1Human Body Systems — Organ Systems, Physiology & Key Facts 2Health, Nutrition & Disease — Public Health, Epidemics & Government Schemes 3Genetics, Heredity & Evolution — DNA, Mendel, Mutations & Darwin 4Ecology & Environment Basics — Ecosystems, Food Chains, Biogeochemical Cycles & Biodiversity 5Microorganisms, Immunology & Vaccines 6Plant Biology & Agriculture Science — Photosynthesis, Crop Science & Biotechnology 7Human Diseases & Epidemics — Infectious, Non-Communicable & Emerging Diseases 8Animal Kingdom & Zoology — Classification, Phyla, Animal Behaviour & Conservation 9Reproductive Health & Endocrine System — Hormones, Family Planning & Population Policy 10Cell Biology & Cell Division — Mitosis, Meiosis, Cell Organelles & UPSC 11Reproductive Health, Biotechnology & Ethics — ART, Surrogacy, Stem Cells & PCPNDT

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Global Relations

1India's Foreign Policy — Evolution, Doctrines & Key Relationships 2International Humanitarian Law — Geneva Conventions & Laws of War 3India's Neighbourhood First Policy — SAARC, BIMSTEC & Sub-Regional Cooperation 4India & Its Neighbours — Bilateral Relations, Disputes & Cooperation 5India-Pakistan Relations, Kashmir & Cross-Border Terrorism 6India-Bangladesh Relations 7International Organisations — UN System, WTO, IMF, World Bank & Multilateral Groupings 8India & Multilateral Forums — UN, BRICS, SCO, Quad, G20 & Global Governance 9India's Strategic Partnerships — USA, Russia, Japan, EU & Key Bilateral Relations 10International Trade, WTO & Trade Agreements — India's Trade Policy & FTAs 11International Relations — Foreign Policy, Organisations & Trade 12International Law & Treaties — UNCLOS, ICJ, Extradition, Humanitarian Law & Space Law 13India–China Relations — Border Disputes, Trade, Competition & Strategic Rivalry 14India–USA Relations — Defence, Technology, Trade & Diaspora 15India–Russia & India–Europe Relations — Defence, Energy, Trade & Strategic Autonomy 16India & the Middle East, Africa & Central Asia — Energy, Diaspora & Strategic Outreach 17India-Africa Relations — IAFS, ITEC, Trade, AU in G20 & Strategic Partnerships 18India–Central Asia & Pacific Island Relations — Connect Central Asia, FIPIC 19India-Southeast Asia — ASEAN, Act East Policy & East Asian Relations 20Indo-Pacific Strategy, QUAD & ASEAN — Maritime Security & Regional Architecture 21India-UN Relations, UNSC Reform Bid & UN Peacekeeping 22G20 — Formation, Structure, India's Presidency & Recent Summits 23SCO — Shanghai Cooperation Organisation 24India's Nuclear Diplomacy, NSG & Strategic Autonomy 25Global Security & Arms Control — NPT, CTBT, Peacekeeping & Disarmament 26India's Development & Humanitarian Diplomacy — Aid, ITEC, South-South Cooperation 27India–EU Relations & FTA — Strategic Partnership, Trade & Technology Council, and UK FTA 28Climate Diplomacy & Global Commons — India's Climate Positions, ISA & Green Finance 29Indian Diaspora, Soft Power & Cultural Diplomacy — Pravasi Bharatiya, Yoga & Brand India 30Refugee Crisis — UNHCR, International Framework & India's Policy 31BRICS — Bloc, Expansion & New Development Bank

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Governance Framework

1RTI, e-Governance & Service Delivery — Social Audit, Digital India & Administrative Transparency 2Lokpal, Lokayuktas & Anti-Corruption Framework 3Civil Services Reforms & Lateral Entry in India 4Role of Civil Services in a Democracy — Constitutional Basis & Challenges 5Governance Reforms & Commissions — Sarkaria, Punchhi, 2nd ARC & Police Reforms 6Delegated Legislation & Administrative Law 7Governance, Transparency & Accountability — RTI, E-Governance & Citizen's Charter 8Decentralisation and Governance Outcomes 9Good Governance — Metrics, Indices & Global Rankings 10Statutory, Regulatory & Quasi-Judicial Bodies 11Pressure Groups, NGOs & Civil Society 12Ministries, Departments & Cabinet Structure 13Government Policy Formulation & Implementation 14National Green Tribunal & Major Quasi-Judicial Bodies 15Judicial Accountability & Reforms in India 16Grievance Redressal Mechanisms & PM-CARES 17Parliamentary Oversight & CAG 18Citizens' Charter & Service Delivery Reforms

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Indian Society

1Salient Features of Indian Society — Diversity, Unity & Social Structure 2Diversity of India — Linguistic, Religious, Ethnic & Regional Mosaic 3Indian Society — Diversity, Demographics, Social Issues & Empowerment 4Family, Kinship & Marriage Systems in India 5Caste, Tribal & Minority Dynamics in India 6Social Mobility & Class Structure in India 7Women's Organisations & Social Movements in India 8Population, Urbanisation & Migration — Demographic Dividend, Smart Cities & Internal Migration 9Social Capital, Trust & Civic Engagement in India 10Urbanisation, Housing Deficit & Slum Rehabilitation in India 11Indian Diaspora, Migration & Overseas Indians — PBD, NRI, OCI & Soft Power 12Social Issues in India: Poverty, Women Empowerment, Education & Health 13Social Movements & Activism — Peasant, Labour, Dalit, Environmental & Digital Movements 14Communalism, Secularism & Social Harmony in India — Complete Chapter 15Regionalism & Linguistic Identity in India 16Globalisation — Effects on Indian Society & Culture 17Media & Social Change — Press, Television, Social Media & Governance 18Mental Health & Drug Abuse — Policy, Stigma, NMHP & Substance Use Challenges 19Indian Society — Structure, Diversity, Social Change & Issues 20Urbanisation — Problems & Remedies 21Globalisation — Social Impacts on Indian Society

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Ethics, Integrity & Aptitude

1Ethics, Integrity & Aptitude — Complete GS4 Guide 2Attitude, Aptitude & Foundational Values for Civil Services 3Emotional Intelligence — EQ in Governance, Public Service Values & Civil Services Aptitude 4Western Ethical Theories — Utilitarianism, Deontology, Virtue Ethics & Social Contract 5Indian Ethical Thinkers — Gandhi, Ambedkar, Vivekananda, Kautilya & Modern Philosophers 6Contributions of Moral Thinkers & Philosophers — Western & Indian Ethical Thought 7Ethical Thinkers & Case Studies for UPSC GS Paper IV 8Information Ethics, Conscience & Ethical Governance 9Laws, Rules, Conscience & Sources of Ethical Guidance for Civil Servants 10Ethics in Public Administration — Probity, Accountability & Governance 11Professional Ethics & Decision Making — Police, Military, Medical & Bureaucratic Ethics 12Corporate Governance, CSR, Business Ethics & Applied Ethics 13Ethics, Integrity & Aptitude — GS Paper IV 14Gandhian Ethics & Public Service — Seven Sins, Trusteeship, Satyagraha & Civil Services 15Civil Service Values & Code of Conduct — Neutrality, Impartiality & Public Service Ethics 16Probity in Governance & Anti-Corruption — Lokpal, Whistleblower Protection & Integrity Institutions 17Administrative Ethics, Governance Dilemmas & Civil Service Conduct 18Case Studies — Governance Dilemmas & Administrative Ethics 19Whistleblowing, Public Interest Disclosure & Accountability in Governance 20Ethics of Governance Failures — 2G, Coalgate, CWG & Satyam Scam 21Ethics of Public Finance — Taxation, Budget Allocation, Procurement & Audit 22Police Ethics & Criminal Justice Ethics 23Ethics in Private & Public Relationships — Loyalty, Integrity, Conflict of Interest & Care 24Social & Legal Ethics — Child Labour, Juvenile Justice, Animal Rights, Capital Punishment, Affirmative Action & Whistleblowing 25Bioethics & Medical Ethics 26Media Ethics & Information Age Dilemmas 27Sports Ethics 28Digital Ethics — Privacy, Surveillance & AI Governance 29Ethics of Technology & Environment — AI Ethics, Data Ethics, Climate Justice & Bioethics 30International Ethics & Global Justice — Obligations Beyond Borders 31Development Ethics — Displacement, Consent & Equity 32UPSC GS4 Case Study Bank — 30 Worked Ethical Dilemmas 33GS4 Ethics PYQ Database — UPSC Mains 2013–2024

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Internal Security

1Internal Security — Threats, Cyber Security & Border Management 2Left Wing Extremism & Insurgency in India 3Development-Extremism Nexus — Underdevelopment as Driver of Internal Security Threats 4Insurgency in Northeast India — AFSPA, Peace Accords & Development Strategy 5Border Management — Forces, Challenges & Smart Borders 6LoC, LAC & Maritime Border Challenges 7Maritime & Coastal Security — Indian Navy, Coast Guard, Sagarmala & Blue Economy 8Proxy War, Hybrid Threats & Radicalisation — Non-Traditional Security Challenges 9Counterterrorism & Intelligence — NIA, NSG, UAPA & Intelligence Architecture 10Organised Crime, Terrorism Financing & Money Laundering 11Drug Trafficking & Narcotics Control — NDPS Act, Golden Triangle & Darknet 12Human Trafficking & Modern Slavery — Legal Framework, Rescue & Rehabilitation 13Radicalization, Counter-Radicalization & Deradicalization in India 14Cyber Security — Threats, Framework & Data Protection 15Emerging Technologies in Security — AI Surveillance, Facial Recognition & Cyber Warfare 16Critical Infrastructure Protection & Space Security — NCIIPC, ASAT & Emerging Threats 17Role of Media & Social Networking in Internal Security — Fake News, Cyber Propaganda & Regulation 18Internal Security — Threats, Management & Cyber Defence 19Cybercrime, IT Laws & Digital Forensics 20Information Warfare & PsyOps — Disinformation, Deepfakes & India's Response 21CBRN Threats & WMD Terrorism — Chemical, Biological, Radiological, Nuclear Security 22Non-Traditional Security Threats 23Intelligence Agencies, NIA & NATGRID — India's Security Architecture 24India's Security Forces & Paramilitary — CAPF Structure, Mandate & Reforms 25Police Reforms & Criminal Justice System — Modernisation, Accountability & New Criminal Laws 26New Criminal Laws — BNS, BNSS & BSA 2023 27Prison Reforms & Rehabilitation of Offenders in India

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DM Framework

1Disaster Management — Framework, Preparedness & Risk Reduction 2Sendai Framework for DRR (2015–2030) & Disaster Risk Reduction — Priorities, Targets, CDRI & India's Framework 3Institutional Framework for Disaster Management in India 4Disaster Preparedness & Response — NDMA, NDRF & Early Warning Systems 5Community-Based Disaster Management & Early Warning Systems — CBDM, Volunteers & Technology 6Floods, Droughts & Cyclones — India's Major Natural Disasters & Response Mechanisms 7Earthquakes, Landslides & Urban Disasters 8Disaster Management — Preparedness, Response & Resilience 9Tsunamis & Coastal Disasters — Early Warning, Coastal Vulnerability & Mangrove Protection 10Heat Waves, Cold Waves & Weather Extremes — Impact, Preparedness & Adaptation 11GLOFs, Mountain Disasters & Himalayan Disaster Risk 12Climate-Disaster Nexus — Heat Waves, GLOFs, Compound Disasters & Adaptation 13Fire, Industrial & Nuclear Disasters — Bhopal, Nuclear Safety & Urban Fire Hazards 14Pandemic Preparedness & Biological Disasters — COVID-19 Lessons, One Health & Biosecurity 15Urban Disaster Risk, Building Safety Codes & Earthquake-Resistant Construction 16Post-Disaster Reconstruction, Rehabilitation & Build Back Better Principles 17Disaster Financing, Insurance & Resilient Infrastructure — CDRI, NDRF & Risk Transfer 18Role of Armed Forces, NGOs & International Cooperation in Disaster Response 19Space Technology & Emerging Tech in Disaster Management

Essay Writing

1UPSC Essay Paper — Structure, Marking & Exam Strategy 2UPSC Essay Writing Framework — Structure, Approach & Templates 3UPSC Essay Paper Previous Year Topics — 2013 to 2025 4Philosophical & Abstract Essay Topics — UPSC Approach & Examples 5Socio-Economic & Governance Essay Topics — UPSC Approach 6Science, Environment & Ethics Essay Topics — UPSC Approach 7UPSC Essay Paper — Complete Guide, Strategy & Practice 8Essay Theme: Democracy, Governance & Constitutional Values 9Essay Theme: Technology, AI & Society 10Essay Theme: Environment, Climate Change & Sustainability 11Essay Theme: Development, Poverty & Inequality 12Essay Theme: Gender, Women's Empowerment & Social Justice 13Essay Theme: India in the World — Civilisation, Culture & Soft Power 14Essay Theme: Ethics, Integrity & Public Life

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Chapter-wise notes from Class 6–12 NCERTs most relevant to UPSC — 490+ chapters across old and new NCERT books, including new 2024–25 syllabus editions for Classes 6, 7, and 8.

→Our Pasts — I (History) →Earth: Our Habitat (Geography) →Social & Political Life — I (Civics) →Science

→Our Pasts — II (History) →Our Environment (Geography) →Social & Political Life — II (Civics) →Science

→Our Pasts — III (History) →Resource & Development (Geography) →Social & Political Life — III (Civics) →Science

→India & the Contemporary World — I (History) →Contemporary India — I (Geography) →Democratic Politics — I (Civics) →Economics →Science

→India & the Contemporary World — II (History) →Contemporary India — II (Geography) →Democratic Politics — II (Civics) →Understanding Economic Development →Science

→Fundamentals of Physical Geography →India — Physical Environment →Indian Constitution at Work (Polity) →Indian Economic Development →Political Theory →Themes in World History →Introduction to Indian Art →Introducing Sociology →Understanding Society

→Themes in Indian History — Part I →Themes in Indian History — Part II →Themes in Indian History — Part III →Fundamentals of Human Geography →India — People & Economy →Contemporary World Politics →Politics in India Since Independence →Introductory Macroeconomics →Indian Society →Social Change & Development in India

New NCERT (2024–25)

→Class 6 — Exploring Society →Class 6 — Curiosity (Science) →Class 7 — Exploring Society Part 1 →Class 7 — Exploring Society Part 2 →Class 7 — Curiosity (Science) →Class 8 — Exploring Society →Class 8 — Curiosity (Science)

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