| Conducted by | Union Public Service Commission |
| Prelims 2027 | 23 May 2027 (UPSC Annual Calendar) |
| Stages | Prelims → Mains → Personality Test |
| Prelims | 2 papers, 200 marks each; CSAT is qualifying at 33% |
| Mains | 9 papers; 1750 marks counted |
| Interview | 275 marks |
| Final total | 2025 marks |
| Official website | upsc.gov.in |
UPSC Prelims exam pattern 2027
Both papers are objective and held on the same day. Paper II, the CSAT, is qualifying only — you must score 33 per cent, but the marks do not count towards your rank. Only Paper I decides who reaches the Mains.
| Paper | Content | Questions | Marks | Duration | Nature |
|---|---|---|---|---|---|
| Paper I | General Studies | 100 | 200 | 2 hours | Merit ranking |
| Paper II | CSAT — comprehension, reasoning, basic numeracy (Class X level) | 80 | 200 | 2 hours | Qualifying, 33% needed |
Negative marking: one third of the marks assigned to a question is deducted for each wrong answer in both papers.
UPSC Prelims syllabus — General Studies Paper I
- Current events of national and international importance.
- History of India and the Indian national movement.
- Indian and world geography — physical, social and economic geography of India and the world.
- Indian polity and governance — Constitution, political system, Panchayati Raj, public policy, rights issues.
- Economic and social development — sustainable development, poverty, inclusion, demographics, social sector initiatives.
- General issues on environmental ecology, biodiversity and climate change, which do not require subject specialisation.
- General science.
UPSC Prelims syllabus — CSAT Paper II
- Comprehension.
- Interpersonal skills including communication skills.
- Logical reasoning and analytical ability.
- Decision making and problem solving.
- General mental ability.
- Basic numeracy — numbers and their relations, orders of magnitude, at Class X level.
- Data interpretation — charts, graphs, tables, data sufficiency, at Class X level.
UPSC Mains exam pattern 2027
Nine papers in total. The two language papers are qualifying; the remaining seven, plus the interview, decide the final merit.
| Paper | Subject | Marks | Nature |
|---|---|---|---|
| Paper A | Indian language (from the Eighth Schedule) | 300 | Qualifying |
| Paper B | English | 300 | Qualifying |
| Essay | Two essays | 250 | Counted |
| GS Paper I | Indian Heritage and Culture, History and Geography of the World and Society | 250 | Counted |
| GS Paper II | Governance, Constitution, Polity, Social Justice and International Relations | 250 | Counted |
| GS Paper III | Technology, Economic Development, Biodiversity, Environment, Security and Disaster Management | 250 | Counted |
| GS Paper IV | Ethics, Integrity and Aptitude | 250 | Counted |
| Optional I | Optional subject, paper 1 | 250 | Counted |
| Optional II | Optional subject, paper 2 | 250 | Counted |
| Written total | 1750 | ||
| Interview | Personality test | 275 | Counted |
| Grand total | 2025 |
UPSC Mains syllabus — General Studies papers
GS Paper I
- Indian culture — art forms, literature and architecture from ancient to modern times.
- Modern Indian history from about the middle of the eighteenth century, significant events, personalities and issues.
- The freedom struggle, its various stages and important contributors from different parts of the country.
- Post-independence consolidation and reorganisation within the country.
- History of the world — industrial revolution, world wars, colonisation and decolonisation, political philosophies such as communism, capitalism and socialism.
- Salient features of Indian society, diversity, role of women, population issues, poverty, urbanisation, globalisation, social empowerment, communalism, regionalism and secularism.
- Salient features of world physical geography, distribution of key natural resources, factors responsible for the location of industries, geophysical phenomena.
GS Paper II
- Indian Constitution — historical underpinnings, evolution, features, amendments, significant provisions and basic structure.
- Functions and responsibilities of the Union and the States, federal structure, devolution of powers.
- Separation of powers, dispute redressal mechanisms, comparison with other countries.
- Parliament and State Legislatures, the executive and the judiciary, pressure groups, representation of people.
- Government policies and interventions for development, and issues arising from their design and implementation.
- Welfare schemes, mechanisms and institutions for the vulnerable sections; issues relating to health, education and human resources; poverty and hunger.
- Important aspects of governance, transparency and accountability, e-governance, Citizen’s Charters, role of civil services in a democracy.
- India and its neighbourhood, bilateral and regional groupings, effect of policies of developed and developing countries, international institutions and agencies.
GS Paper III
- Indian economy — planning, mobilisation of resources, growth, development and employment.
- Inclusive growth, government budgeting, land reforms, liberalisation, infrastructure and investment models.
- Agriculture — cropping patterns, irrigation, storage and transport, e-technology, subsidies and MSP, public distribution system, food processing, animal rearing.
- Science and technology — developments and applications, indigenisation, awareness in IT, space, computers, robotics, nano-technology, biotechnology and intellectual property rights.
- Conservation, environmental pollution and degradation, environmental impact assessment, disaster management.
- Internal security — extremism, role of external state and non-state actors, cyber security, money laundering, border management, security agencies and their mandate.
GS Paper IV — Ethics, Integrity and Aptitude
- Ethics and human interface — essence, determinants and consequences of ethics in human action; dimensions of ethics; ethics in private and public relationships.
- Human values — lessons from the lives of great leaders, reformers and administrators; role of family, society and educational institutions.
- Attitude — content, structure, function, its influence on thought and behaviour, moral and political attitudes, social influence and persuasion.
- Aptitude and foundational values for civil service — integrity, impartiality, non-partisanship, objectivity, dedication to public service, empathy, tolerance and compassion.
- Emotional intelligence — concepts and their utility in administration and governance.
- Contributions of moral thinkers and philosophers from India and the world.
- Public and civil service values and ethics in public administration, probity in governance, RTI, codes of ethics and conduct, corporate governance.
- Case studies on the above issues.
Frequently asked questions
When is the UPSC Prelims 2027?
23 May 2027, as announced in the UPSC Annual Calendar. Always confirm against the official notification at upsc.gov.in before planning around it.
Is CSAT counted in the UPSC Prelims merit?
No. CSAT, Paper II, is qualifying only. You must score 33 per cent, but the marks are not added to your Prelims score. Only General Studies Paper I decides who qualifies for the Mains.
How many papers are there in UPSC Mains?
Nine. Two qualifying language papers, an essay, four General Studies papers and two optional subject papers. Seven of them, worth 1750 marks, count towards the final merit.
What is the total marks of the UPSC Civil Services Examination?
2025 marks — 1750 from the Mains written papers and 275 from the personality test.
Is there negative marking in UPSC Prelims?
Yes, one third of the marks allotted to a question is deducted for every wrong answer, in both papers.
Preparing for this exam?
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