UPSC Syllabus 2027: Prelims, Mains & Interview, PDF Download

How to Download UPSC Syllabus 2027 PDF

To download the official UPSC Civil Services Examination (CSE) syllabus, follow these steps:

1. Visit the official UPSC website: UPSC Official Website

2. Click on Examinations → Active Examinations.

3. Select either:

• Civil Services (Preliminary) Examination, or

• Civil Services (Main) Examination.

4. Open the latest Official Notification (PDF) for the examination.

5. Scroll to the annexure section of the notification, where the complete Prelims and Mains syllabus is provided.

6. Click the download icon in your browser or PDF viewer to save the syllabus.

Tip: Always download the syllabus from the official UPSC notification rather than third-party websites, as the notification contains the authoritative and complete syllabus.

UPSC Prelims Syllabus 2027

UPSC Prelims Syllabus 2027 consist of two paper General Studies and CSAT. It is the first phase of the IAS selection process. Topics like history, geography, polity, economics, environment, science, and current events are comes under GS paper 1.  Second paper is to test basic aptitude through questions on logical reasoning, comprehension, basic numeracy, decision-making, and problem-solving skills which comes under CSAT Section.

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UPSC CSE 2027 General Studies Paper 1 Syllabus 

UPSC Prelims General Studies Paper 1 Syllabus includes a range of essential subjects for the exam. The Topics covered are History, Geography, Polity, Economy, Environment & Ecology, Science and Technology,  and Current Affairs.

• Current events of national and international importance.

• History of India and Indian National Movement.

• Indian and World Geography-Physical, Social, Economic Geography of India and the World.

• Indian Polity and Governance-Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.

• Economic and Social Development-Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives, etc.

• General issues on Environmental ecology, Bio-diversity, and Climate Change - that do not require subject specialization.

• General Science

UPSC CSAT Syllabus 2027

In this paper, you need to score 33% marks to be eligible for the next stage. Here is the UPSC CSAT syllabus :

• 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, etc.) (Class X level), Data interpretation (charts, graphs, tables, data sufficiency, etc. — Class X level)

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UPSC Mains Syllabus 2027

UPSC Mains is the second phase of the UPSC selection Process.The Mains exam is more comprehensive, consisting of nine papers that test knowledge across a wide range of topics. However, since two papers, namely Paper A and Paper B, are qualifying in nature, the total score for the merit list is calculated out of 1750 marks, with each of the remaining papers worth 250 marks. Here is the UPSC Mains syllabus 2027 for each Mains paper:

UPSC Mains Qualifying Paper

Paper A English

(i) Comprehension of given passages.(ii) Precis Writing.(iii) Usage and Vocabulary.(iv) Short Essays Read More -  Importance of Early Preparation for UPSC Prelims Exam

Paper B Indian Languages

(i) comprehension of given passages.(ii) Precis Writing.(iii) Usage and Vocabulary.(iv) Short Essays. (v) Translation from English to the Indian Language and vice-versa

UPSC Essay Syllabus 2027

UPSC syllabus does not have specific topics. It says in the notification,'Candidates may be required to write essays on multiple topics. They will be expected to keep closely to the subject of the essay to arrange their ideas in orderly fashion, and to write concisely. Credit will be given for effective and exact expression.'

UPSC CSE General Studies Papers I to IV Syllabus

There are four General Studies papers having a weightage of 250 marks. Here is the UPSC syllabus for Mains General Studies papers:

IAS Syllabus for Mains General Studies 1

• Indian culture will cover the salient aspects of Art Forms, literature, and Architecture from ancient to modern times.

• Modern Indian history from about the middle of the eighteenth century until the present, significant events, personalities, issues.

• The Freedom Struggle — its various stages and important contributors/contributions from different parts of the country.

• Post-independence consolidation and reorganization within the country

• History of the world will include events from 18th century such as the industrial revolution, world wars, redrawal of national boundaries, colonization, decolonization, political philosophies like communism, capitalism, socialism etc.— their forms and effect on the society.

• Salient features of Indian Society, Diversity of India.

• Role of women and women’s organization, population and associated issues, poverty and developmental issues, urbanization, their problems and their remedies.

• Effects of globalization on Indian society.

• Social empowerment, communalism, regionalism & secularism.

• Salient features of world’s physical geography.

• Distribution of key natural resources across the world (including South Asia and the Indian subcontinent); factors responsible for the location of primary, secondary, and tertiary sector industries in various parts of the world (including India).

• Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.,

• geographical features and their location-changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes.

IAS Syllabus for Mains General Studies 2 

• Indian Constitution—historical underpinnings, evolution, features, amendments, significant provisions and basic structure.

• Functions and responsibilities of the Union and the States, issues and challenges pertaining to the federal structure, devolution of powers and finances up to local levels and challenges therein.

• Separation of powers between various organs dispute redressal mechanisms and institutions.

• Comparison of the Indian constitutional scheme with that of other countries.

• Parliament and State legislatures—structure, functioning, conduct of business, powers & privileges and issues arising out of these.

• Structure, organization and functioning of the Executive and the Judiciary—Ministries and Departments of the Government; pressure groups and formal/informal associations and their role in the Polity.

• Salient features of the Representation of People’s Act.

• Appointment to various Constitutional posts, powers, functions and responsibilities of various Constitutional Bodies.

• Statutory, regulatory and various quasi-judicial bodies.

• Government policies and interventions for development in various sectors and issues arising out of their design and implementation.

• Development processes and the development industry —the role of NGOs, SHGs, various groups and associations, donors, charities, institutional and other stakeholders.

• Welfare schemes for vulnerable sections of the population by the Centre and States and the performance of these schemes; mechanisms, laws, institutions and Bodies constituted for the protection and betterment of these vulnerable sections.

• Issues relating to development and management of Social Sector/Services relating to Health, Education, Human Resources.

• Issues relating to poverty and hunger.

• Important aspects of governance, transparency and accountability, e-governance- applications, models, successes, limitations, and potential; citizens charters, transparency & accountability and institutional and other measures.

• Role of civil services in a democracy.

• India and its neighborhood- relations.

• Bilateral, regional and global groupings and agreements involving India and/or affecting India’s interests.

• Effect of policies and politics of developed and developing countries on India’s interests, Indian diaspora.

• Important International institutions, agencies and fora- their structure, mandate.

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IAS Syllabus for Mains General Studies 3

• Indian Economy and issues relating to planning, mobilization, of resources, growth, development and employment.

• Inclusive growth and issues arising from it.

• Government Budgeting.

• Major crops-cropping patterns in various parts of the country, - different types of irrigation and irrigation systems storage, transport and marketing of agricultural produce and issues and related constraints; e-technology in the aid of farmers.

• Issues related to direct and indirect farm subsidies and minimum support prices; Public Distribution System- objectives, functioning, limitations, revamping; issues of buffer stocks and food security; Technology missions; economics of animal rearing.

• Food processing and related industries in India- scope’ and significance, location, upstream and downstream requirements, supply chain management.

• Land reforms in India.

• Effects of liberalization on the economy, changes in industrial policy and their effects on industrial growth.

• Infrastructure: Energy, Ports, Roads, Airports, Railways etc.

• Investment models.

• Science and Technology- developments and their applications and effects in everyday life.

• Achievements of Indians in science & technology; indigenization of technology and developing new technology.

• Awareness in the fields of IT, Space, Computers, robotics, nano-technology, bio-technology and issues relating to intellectual property rights.

• Conservation, environmental pollution and degradation, environmental impact assessment.

• Disaster and disaster management.

• Linkages between development and spread of extremism.

• Role of external state and non-state actors in creating challenges to internal security.

• Challenges to internal security through communication networks, role of media and social networking sites in internal security challenges, basics of cyber security; money-laundering and its prevention.

• Security challenges and their management in border areas - linkages of organized crime with terrorism.

• Various Security forces and agencies and their mandate.

IAS Syllabus for Mains General Studies 4

• This paper will include questions to test the candidates’ attitude and approach to issues relating to integrity, probity in public life and his problem solving approach to various issues and conflicts faced by him in dealing with society. Questions may utilise the case study approach to determine these aspects.

• The following broad areas will be covered : Ethics and Human Interface: Essence, determinants and consequences of Ethics in-human actions; dimensions of ethics; ethics - in private and public relationships. Human Values - lessons from the lives and teachings of great leaders, reformers and administrators; role of family society and educational institutions in inculcating values.

• Attitude: content, structure, function; its influence and relation with thought and behaviour; moral and political attitudes; social influence and persuasion.

• Aptitude and foundational values for Civil Service, integrity, impartiality and non-partisanship, objectivity, dedication to public service, empathy, tolerance and compassion towards the weaker-sections.

• Emotional intelligence-concepts, and their utilities and application in administration and governance.

• Contributions of moral thinkers and philosophers from India and world.

• Public/Civil service values and Ethics in Public administration: Status and problems; ethical concerns and dilemmas in government and private institutions; laws, rules, regulations and conscience as sources of ethical guidance; accountability and ethical governance; strengthening of ethical and moral values in governance; ethical issues in international relations and funding; corporate governance.

• Probity in Governance: Concept of public service; Philosophical basis of governance and probity; Information sharing and transparency in government, Right to Information, Codes of Ethics, Codes of Conduct, Citizen’s Charters, Work culture, Quality of service delivery, Utilization of public funds, challenges of corruption.

• Case Studies on above issues.

UPSC Optional Syllabus 2027

Candidates choose two papers from a list of 48 optional subjects provided in the UPSC syllabus. These subjects can vary widely, from literature to engineering. There will be two papers from the selected subject worth 250 marks each. The syllabus of these subjects is detailed in the official notification. Here is the list of subjects for UPSC Optionals:

1. Agriculture

2. Animal Husbandry & Veterinary Science

3. Anthropology

4. Botany

5. Chemistry

6. Commerce and Accountancy

7. Civil Engineering

8. Economics

9. Electrical Engineering

10. Geology

11. Geography

12. History

13. Philosophy

14. Public Administration

15. Political Science and International Relations

16. Psychology

17. Physics

18. Sociology

19. Law

20. Mathematics

21. Management

22. Medical Science

23. Mechanical Engineering

24. Statistics

25. Zoology

UPSC Literature Syllabus 2027

1. Assamese

2. Bodo

3. Bengali

4. Dogri

5. English 

6. Gujarati

7. Hindi

8. Kannada

9. Kashmiri

10. Konkani

11. Malayalam

12. Maithili

13. Marathi 

14. Manipuri

15. Nepali 

16. Odia 

17. Punjabi 

18. Sindhi

19. Sanskrit 

20. Santhali

21. Tamil

22. Telugu 

23. Urdu

UPSC Interview Syllabus 2027

The Personality Test is the final stage of the UPSC Civil Services Examination and carries 275 marks. It is designed to assess a candidate's overall personality rather than academic knowledge.

The Interview Board evaluates qualities such as:

• Mental alertness

• Critical thinking

• Communication skills

• Leadership qualities

• Judgment and decision-making

• Social awareness

• Suitability for a career in public service

There is no prescribed syllabus for the Personality Test, as questions are generally based on the candidate's Detailed Application Form (DAF), current affairs, and situational awareness.

UPSC Exam Pattern 2027

The UPSC Exam Pattern 2027 consists of three stages: the Prelims, the Mains, and the Interview. The Prelims include two objective-type papers, General Studies Paper I and CSAT. The Mains involve nine descriptive papers, including Essay, General Studies I-IV, Optional Papers I & II, and Language Papers. Finally, the Interview stage worth 275 marks assesses the personality of the candidates. Here is the UPSC Exam Pattern 2027:

Previous Year Questions (PYQs)

Note: Candidates can download the official UPSC Previous Year Question Papers from the official UPSC website to understand the exam pattern, identify important topics, and improve preparation for both the Preliminary and Main Examinations.

Understanding the UPSC Syllabus 2027 is the first step toward effective preparation. Build a strong foundation with PhysicsWallah's expert mentorship, structured study material, mock tests, answer-writing practice, and comprehensive courses designed to help you succeed in every stage of the UPSC Civil Services Examination.

UPSC Prelims Previous Year Questions

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