Forest ServicesUPSC Syllabus 2025: Complete Prelims & Mains Syllabus
Detailed subject-wise UPSC IAS CSE syllabus for Prelims and Mains examination — GS Paper I to GS Paper IV, Essay, CSAT, and Optional subjects. Updated for UPSC Civil Services Examination 2025.
Last updated: March 2025 — Based on the official UPSC Civil Services notification and syllabus document. Source: upsc.gov.in
Quick Answer: UPSC Syllabus 2025
The UPSC CSE Syllabus covers Prelims (2 papers — GS Paper I for merit + CSAT qualifying at 33%) and Mains (9 papers — 2 qualifying language papers + Essay + GS I–IV + Optional I & II) plus Interview (275 marks). Merit marks = Essay (250) + GS I–IV (4×250=1000) + Optional I & II (2×250=500) = 1750 marks. Total with Interview = 2025 marks. Visit UPSC Exam Pattern for the complete structure.
UPSC Exam Structure at a Glance
The UPSC Civil Services Examination has three stages:
| Stage | Papers | Total Marks | Type | Purpose |
|---|---|---|---|---|
| Prelims | GS Paper I + CSAT (Paper II) | 200 + 200 = 400 | Objective MCQ; 1/3 negative marking in Paper I | Screening; only Paper I marks count |
| Mains | 9 Papers (A, B, Essay, GS I–IV, Optional I & II) | 1750 merit + 600 qualifying | Descriptive (written) | Paper A & B qualifying; rest count in merit |
| Interview | Personality Test | 275 | Viva voce | Final selection |
Note: Final merit = Mains 1750 + Interview 275 = 2025 marks. Prelims marks are NOT counted. Source: UPSC Civil Services Examination Rules 2024.
UPSC Prelims Syllabus 2025 — GS Paper I
GS Paper I — 100 questions, 200 marks, 2 hours, 1/3 negative marking. Attempt only questions you are confident about:
History of India
Art, culture, and literature; Medieval India (kingdoms, dynasties); Modern India (British policies, social-religious movements); Freedom struggle (1857–1947); Post-independence consolidation and reorganization
History of the World
18th century events — industrial revolution; Colonization and colonialism; World Wars I & II; Redrawal of national boundaries; Political philosophies — communism, capitalism, socialism; Their effects and political conditions in the world
Indian and World Geography
Physical, social, economic geography of India and the world; Distribution of natural resources — coal, petroleum, minerals; Factors for location of industries; Population and settlement geography
Indian Polity & Governance
Constitution, political system, Panchayati Raj, Public Policy, Rights Issues; Constitutional developments, Parliament and State Legislatures, Judiciary; Government policies, interventions and issues arising from design and implementation
Economic and Social Development
Sustainable development, poverty, inclusion, demographics; Social sector initiatives; Agriculture, industry, trade policy; Economic survey themes; Budget provisions; Banking and finance
General Science
Physics, Chemistry, Biology — Class 10 level; Science and technology developments and their applications and effects in everyday life; Achievements of Indians in science & technology; Indigenization of technology
Environment & Ecology
Environmental ecology; Biodiversity and climate change; Environmental legislation and policy; Current environmental events and issues nationally and internationally
Current Events
National and international importance; Sports, awards, personalities in news; International summits and agreements; Government schemes and policies launched in last 1 year
UPSC Prelims CSAT — Paper II (Qualifying at 33%)
80 questions, 200 marks, 2 hours. Minimum 66.67 marks (33%) required to qualify. CSAT marks are NOT counted in merit. Negative marking: 1/3 per wrong answer.
UPSC Mains Syllabus 2025
Complete paper-wise syllabus for UPSC Civil Services Mains examination:
Indian Language (Qualifying)
300 marksQualifying OnlyComprehension of the given passages, Precise writing, Usage and vocabulary, Short essays. Must choose one of 22 languages listed in Eighth Schedule of the Constitution. Standard: Matriculation level.
English (Qualifying)
300 marksQualifying OnlyComprehension of given passages, Precise writing, Usage and vocabulary, Short essays. Standard: Matriculation level English. All candidates must appear regardless of medium.
Essay Paper
250 marksCandidates must write two essays — one from Section A (Philosophical/Abstract/Social themes) and one from Section B (Governance/Policy/Contemporary themes). Each essay carries 125 marks. Word limit: ~1000-1200 words per essay.
Indian Heritage, History, World History, Geography, Society
250 marksIndian culture — salient aspects of art, architecture, literature from ancient to modern times; Modern Indian history (1750 to present — significant events, personalities, issues); Freedom struggle — various stages and important contributors; Post-independence consolidation; History and geographies of the world; Indian society — diversity, role of women, urbanization, social empowerment, communalism, regionalism, secularism.
Governance, Constitution, Polity, Social Justice, International Relations
250 marksIndian Constitution — historical underpinnings, evolution, features, amendments; Functions and responsibilities of the Union and States; Parliament and State Legislatures; Executive and Judiciary structure; Government ministries and departments; Pressure groups, formal/informal associations; Statutory, regulatory and quasi-judicial bodies; Government policies and interventions; Social sector service delivery; Poverty, hunger, health, education; Bilateral, regional, global groupings and agreements involving India.
Technology, Economic Development, Biodiversity, Environment, Security
250 marksIndian economy and issues relating to planning, mobilization of resources; Inclusive growth; Budgeting; Major crops, cropping patterns; Land reforms; Animal husbandry; Food security; Science & technology — developments, applications, space, defence; Environment — conservation, pollution, climate change, disaster management; Security — internal and external threats, role of media, terrorism, left-wing extremism, border management.
Ethics, Integrity, and Aptitude
250 marksEthics and Human Interface; Attitude; Aptitude and foundational values for Civil Service; Emotional intelligence; Contributions of moral thinkers and philosophers (both Indian and Western); Public/Civil Service values and ethics in public administration; Corporate governance; Probity in governance; Information sharing, RTI, code of ethics; Ethical issues in international relations and funding; Case Studies on ethical dilemmas.
Optional Subject — Paper I (Candidate chooses)
250 marksChoose ONE optional subject from 48 available subjects. Popular choices: Geography, History, Sociology, Public Administration, Political Science, Psychology, Economics, Anthropology, Philosophy, Law, Literature subjects. Syllabus varies by subject — available on UPSC website.
Optional Subject — Paper II (Same subject as Paper I)
250 marksSecond paper of the same optional subject chosen for Paper I. Combined weightage of Optional I + II = 500 marks — a major portion of the 1750 merit marks. Strong optional performance can significantly boost overall rank.
UPSC Optional Subjects — Full List
Choose ONE optional subject (2 papers, 250 marks each = 500 marks). For Jharkhand students, Geography and Anthropology are particularly relevant:
Sciences & Technology
Humanities & Social Sciences
Literature (Any one)
Best optionals for Jharkhand students: Geography (overlap with GS1), Anthropology (tribal studies background), Sociology (society topics in GS1), Public Administration (governance overlap with GS2).
Jharkhand-Relevant Topics in UPSC Syllabus
Jharkhand students have a natural advantage — many UPSC GS topics directly overlap with Jharkhand-specific knowledge:
GS Paper I (History & Society)
- Tribal movements — Santhal Hul (1855), Birsa Munda Ulgulan (1900), Kol Rebellion
- Art & Culture — Chhau dance, Sohrai art, Paika dance (tribal art forms)
- Social issues — scheduled tribes, land rights, PESA Act
- Geography — Chotanagpur Plateau, Damodar valley, mineral resources
GS Paper II (Governance & Rights)
- Fifth Schedule — administration of tribal areas
- PESA Act 1996 — extension of Panchayati Raj to tribal areas
- Forest Rights Act 2006 — tribal rights over forest land
- Constitutional provisions for Scheduled Tribes
GS Paper III (Economy & Environment)
- Mining and mineral resources — Jharkhand as major coal/iron producing state
- Environmental degradation — Jharia coal fire, mining-induced displacement
- Agriculture — Jharkhand tribal farming, minor forest produce
- Industrial development — SAIL plants (Bokaro), TATA Steel (Jamshedpur)
GS Paper IV (Ethics)
- Ethical issues in tribal displacement and mining
- Indigenous knowledge systems — role of tribal councils
- Public policy dilemmas — development vs. displacement
- Governance in tribal areas — PESA implementation challenges
FAQs — UPSC Syllabus 2025
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Which subjects are covered in UPSC GS Paper I?
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What is the UPSC Essay syllabus?
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