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Each subject has notes at three depth levels — Foundation, Prelims, and Mains. Start anywhere based on your preparation stage.
Polity & Constitution
Indian Constitution, Parliament, judiciary, federalism, local government, constitutional bodies, electoral system
Governance
Transparency, accountability, RTI, e-governance, civil services, Lokpal, anti-corruption, administrative reforms, citizens charter, good governance
Social Justice
Welfare schemes, vulnerable sections, SC/ST, OBC, tribal rights, women, children, minorities, food security, health, education policy, NGOs
Indian Economy
Economic development, budgeting, agriculture, industry, infrastructure, trade, poverty, demographics, fiscal policy
Geography
Physical geography, Indian geography, human & economic geography, world geography
History & Culture
Ancient to modern India, freedom struggle, world history, art forms, architecture, post-independence consolidation
Environment & Ecology
Biodiversity, conservation, pollution, climate change, disaster management
Science & Technology
Space, biotech, IT, nanotech, defence tech, IPR, indigenous technology
International Relations
India's foreign policy, neighbourhood, global groupings, international institutions
Society
Indian society structure, diversity, caste, urbanisation, globalisation, communalism, secularism, social movements, diaspora
Ethics & Integrity
Ethics, attitude, aptitude, emotional intelligence, moral thinkers, case studies
Internal Security
Extremism, cyber security, border management, security forces, money laundering
General Science
Physics, chemistry, biology, human body systems, genetics, biotechnology, diseases & nutrition — core Prelims Paper I science
Disaster Management
Natural & man-made disasters, vulnerability, resilience, NDMA, SDMA, disaster preparedness & response
Essay Paper
UPSC Essay Paper (Paper I of Mains) — structure, writing framework, previous year topics 2013–2025, and category-wise approach for philosophical, socioeconomic, and science–ethics essays
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