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History
- Prehistory and the Indus Valley Civilisation
- Vedic Age and the Mahajanapadas
- Mauryan and Post-Mauryan India
- The Guptas and Harsha
- Early Medieval India
- Delhi Sultanate
- Vijayanagara and Bahmani
- The Mughals
- Colonial Conquest, Administration and Economy
- Revolt of 1857 and Early Resistance
- Socio-Religious Reform, Education and the Press
- Freedom Struggle: Rise of Nationalism to 1918
- Freedom Struggle: The Gandhian Era, 1917 to 1947
- Post-Independence India
- World History
- Art and Culture
Geography
- Geomorphology, Earthquakes and Volcanoes
- Climatology: Atmosphere, Air Masses and ENSO
- Tropical Cyclones
- Indian Climate and the Monsoon
- Oceanography
- Indian Rivers and Drainage
- Soils of India and the World
- Natural Vegetation and Biodiversity
- Indian Agriculture
- Resources, Industries and Transport
- Geography Basics and Concepts
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Preparation Guides
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- UPSC GS 1 Syllabus: History, Culture, Geography and Indian Society
- UPSC GS 2 Syllabus: Polity, Governance, Social Justice and International Relations
- UPSC GS 3 Syllabus: Economy, Agriculture, Science, Environment and Security
- UPSC GS 4 Syllabus: Ethics, Integrity and Aptitude Explained
- UPSC Prelims Syllabus: Seven Subjects of GS Paper I and Their Weightage
- UPSC Syllabus 2027: Prelims, CSAT, Mains and Official PDF
Recent
Latest Articles
The most recently published articles. The Study Library lists every article by subject.
- Social Justice Scheduled Castes in India: Constitutional Safeguards for SCs and STs
- Internal Security UAPA Act, NIA Act and the Bharatiya Nyaya Sanhita: Anti-Terror Laws of India
- Polity and Governance Attorney General of India and Advocate General: Article 76, Article 165, Duties and Rights
- Science and Technology Gene Therapy and Biotechnology in Medicine: Insulin, CAR‑T, RNAi and Diagnostics
- Science and Technology Recombinant DNA Technology: Tools, PCR, DNA Fingerprinting and CRISPR
- Polity and Governance Right to Equality: Articles 14 to 18 of the Indian Constitution Explained
- Polity and Governance Fundamental Rights of Indian Constitution: Part III, Article 12 and Article 13
- Polity and Governance Election Commission of India: Article 324, Powers, Functions and Appointment
- Polity and Governance Comptroller and Auditor General of India (CAG): Article 148, Duties, Powers and Role
- Polity and Governance Right Against Exploitation and Freedom of Religion: Articles 23 to 28
- Polity and Governance Right to Freedom: Articles 19 to 22, Article 21 and Preventive Detention
- Polity and Governance Delimitation in India and the Representation of the People Acts, 1950 and 1951
- Polity and Governance Union Public Service Commission and State PSCs: Article 315 to 323, Functions and Independence
- Science and Technology Non-Communicable Diseases: Heart Disease, Cancer, Diabetes and Chronic Lung Disease in India
- Science and Technology Communicable Diseases: Bacterial, Viral, Protozoan and Vector-Borne Diseases in India
- Science and Technology Advanced Materials: Composites, Smart Materials, Superconductors and Rare Earths
- Science and Technology Nuclear Fission and Fusion: Radioactivity, Half-Life and Nuclear Reactors
- Science and Technology Electric Current and Magnetism: Ohm's Law, Electromagnetic Induction and Transformers
- Science and Technology Nanotechnology: Nanomaterials, Carbon Nanotubes and Applications
- Science and Technology Electrochemistry: Electrolysis, Batteries, Lithium-Ion Cells and Fuel Cells
- Science and Technology Reflection and Refraction of Light: Total Internal Reflection, Dispersion and Optics
- Science and Technology Sound Waves: Speed of Sound, Doppler Effect, Ultrasound and Sonar
- Polity and Governance Article 239A and Article 370: Union Territories of Puducherry, Jammu and Kashmir and Ladakh
- Polity and Governance Union Territories of India: List, Map, Administration and Delhi Under Article 239AA
- Science and Technology Heat and Thermodynamics: Laws of Thermodynamics, Specific Heat and Heat Transfer
- Science and Technology Newton's Laws of Motion and Gravitation: Force, Momentum and Satellites
- Science and Technology Carbon and Its Compounds: Allotropes, Hydrocarbons, Polymers and Plastics
- Science and Technology Metals and Non-Metals: Reactivity Series, Metallurgy, Alloys and Corrosion
- Science and Technology Immunity and Vaccines: Immune System, Types of Immunity and Vaccination in India
- Science and Technology Endocrine System: Endocrine Glands, Hormones and Their Functions