List of Subjects

1. Preliminary Exam Subjects
Paper I: General Studies (GS)

Current Events (National & International)
History of India and Indian National Movement
Indian Polity and Governance (Constitution, Political System, Panchayati Raj, etc.)
Economic and Social Development
Environmental Ecology, Biodiversity, and Climate Change
General Science
Geography (India and the World)
Paper II: CSAT (Civil Services Aptitude Test)

Comprehension
Logical Reasoning and Analytical Ability
Decision Making and Problem Solving
Basic Numeracy and Data Interpretation
2. Mains Exam Subjects
Compulsory Papers:

Essay
General Studies (GS) I: Indian Heritage, Culture, History, and Geography
General Studies (GS) II: Governance, Constitution, Polity, Social Justice, and International Relations
General Studies (GS) III: Technology, Economic Development, Bio-diversity, Environment, Security, and Disaster Management
General Studies (GS) IV: Ethics, Integrity, and Aptitude
Language Papers:

English (Qualifying)
Any one Indian Language (Qualifying)
Optional Subject (Choose one):

Agriculture
Animal Husbandry and Veterinary Science
Anthropology
Botany
Chemistry
Civil Engineering
Commerce and Accountancy
Economics
Electrical Engineering
Geography
Geology
History
Law
Management
Mathematics
Mechanical Engineering
Medical Science
Philosophy
Physics
Political Science and International Relations
Psychology
Public Administration
Sociology
Statistics
Zoology
Literature (Any Indian Language or English)
3. Interview (Personality Test)
No specific syllabus, but questions revolve around:

Current Affairs
Personal Background
Opinions on Socio-Political Issues
This comprehensive subject list forms the backbone of UPSC preparation!