Polity & Constitution

GS2

Indian Constitution, Parliament, judiciary, federalism, local government, constitutional bodies, electoral system

43 chapters

Governance

GS2

Transparency, accountability, RTI, e-governance, civil services, Lokpal, anti-corruption, administrative reforms, citizens charter, good governance

18 chapters

Social Justice

GS2

Welfare schemes, vulnerable sections, SC/ST, OBC, tribal rights, women, children, minorities, food security, health, education policy, NGOs

22 chapters

Indian Economy

GS3

Economic development, budgeting, agriculture, industry, infrastructure, trade, poverty, demographics, fiscal policy

57 chapters

Geography

GS1

Physical geography, Indian geography, human & economic geography, world geography

48 chapters

History & Culture

GS1

Ancient to modern India, freedom struggle, world history, art forms, architecture, post-independence consolidation

115 chapters

Environment & Ecology

GS3

Biodiversity, conservation, pollution, climate change, disaster management

32 chapters

Science & Technology

GS3

Space, biotech, IT, nanotech, defence tech, IPR, indigenous technology

29 chapters

International Relations

GS2

India's foreign policy, neighbourhood, global groupings, international institutions

30 chapters

Society

GS1

Indian society structure, diversity, caste, urbanisation, globalisation, communalism, secularism, social movements, diaspora

19 chapters

Ethics & Integrity

GS4

Ethics, attitude, aptitude, emotional intelligence, moral thinkers, case studies

32 chapters

Internal Security

GS3

Extremism, cyber security, border management, security forces, money laundering

26 chapters

General Science

PRELIMS

Physics, chemistry, biology, human body systems, genetics, biotechnology, diseases & nutrition — core Prelims Paper I science

32 chapters

Disaster Management

GS3

Natural & man-made disasters, vulnerability, resilience, NDMA, SDMA, disaster preparedness & response

18 chapters

Essay Paper

ESSAY

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

13 chapters
Ujiyari Ujiyari — Current Affairs