π Complete Exam Syllabus — Subject-Wise
A. IAS Mains Examination Syllabus
Paper A – Indian Language
Comprehension, précis writing, translation, grammar, and essay.
Paper B – English
Comprehension, précis, usage, and essay.
Essay Paper
Topics may include governance, ethics, environment, technology, or social issues.
General Studies Paper I – Indian Heritage & Culture, History, Geography of the World & Society
Ancient & Modern History of India
Indian Culture & Architecture
World History (18th century onward)
Physical, Social & Economic Geography
General Studies Paper II – Governance, Polity, Social Justice & International Relations
Constitution & Polity
Government Schemes & Policies
Judiciary & Local Governance
International Relations
General Studies Paper III – Technology, Economic Development, Biodiversity, Environment, Security & Disaster Management
Economic Policies & Growth
Science & Tech Updates
Environmental Conservation
Internal Security Challenges
General Studies Paper IV – Ethics, Integrity & Aptitude
Ethics Theories, Integrity Case Studies, Public Service Values.
Optional Subject (Paper I & II)
Choose one optional subject from the UPSC list (Anthropology, Sociology, History, Geography, Public Administration, etc.).
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B. IFS Mains Examination Syllabus
Paper I – General English
Essay writing, comprehension, grammar & precis.
Paper II – General Knowledge
Current events, General Science, Indian Polity, Economy, History, Geography, Environment.
Optional Subjects (Papers III–VI):
Choose two subjects from below (list illustrative):
Agriculture - Mechanical Engineering
Animal Husbandry & Veterinary Science - Forestry
Botany - Geology
Chemistry - Mathematics
Physics - Statistics
Zoology - Civil Engineering
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How Can Download Complete Syllabus?
1. Visit π https://www.upsc.gov.in
2. Navigate to “Examinations → Active Examinations.”
3. Click “Civil Services Examination 2025” or “Indian Forest Service (Main) Examination 2025.”
4. Download the official Notification PDF, which includes the complete syllabus for both exams.
5. Save the PDF to your device and print for ready reference.