UPSC CSE Syllabus 2026 – Complete Prelims & Mains Guide (PDF Download)

Every year, lakhs of candidates begin their UPSC Civil Services Examination (CSE) journey by searching for the complete syllabus. This guide covers the full UPSC CSE Syllabus 2026 — Prelims and Mains — in English and Hindi, with topic-wise breakdowns, the official PDF download method, recommended books, optional subject choices, and UPSC OTR photo & signature requirements.

UPSC CSE Exam Structure at a Glance

UPSC CSE 2026 Eligibility Criteria, Age Limits & Attempts

Before beginning your preparation, ensure you satisfy the official eligibility requirements prescribed by the Union Public Service Commission:

*Note: Appearing in any one paper of the Preliminary Examination (even GS Paper I alone) counts officially as one utilized attempt.

UPSC Prelims Syllabus 2026

Paper I – General Studies (200 Marks)

Duration: 2 hours | Negative marking: 1/3 for wrong answers

Paper II – CSAT (200 Marks, Qualifying)

Minimum 33% (66.67 marks) required to qualify. Marks not counted for merit ranking.

• Comprehension – Reading passages, author intent, inference
• Interpersonal & Communication Skills
• Logical Reasoning & Analytical Ability
• Decision-Making & Problem Solving
• General Mental Ability
• Basic Numeracy – Class X level: percentages, ratios, time & work, data interpretation

UPSC Mains Syllabus 2026

Mains has 9 papers. Papers A & B are qualifying only. Papers I through VII count for final merit (1750 marks total).

GS Paper I – Indian Heritage, Culture, History & World Geography

• Indian Culture: Art forms, Literature, Architecture (ancient to modern)
• Modern Indian History: Mid-18th century to present; freedom struggle; significant events & personalities
• Post-independence consolidation and reorganization
• World History: 18th century onwards – Industrial Revolution, World Wars, Colonization, Communism, Capitalism
• Indian Society: Diversity, women, population, poverty, urbanization, globalization, secularism
• World Geography: Physical geography, natural resource distribution, location of industries

GS Paper II – Governance, Constitution, Polity, Social Justice & IR

• Indian Constitution: Historical underpinnings, evolution, amendments, significant provisions, basic structure
• Parliament, State Legislatures, Judiciary, Executive structure and functioning
• Representation of People's Act, statutory & regulatory bodies, government policies
• Social Justice: Welfare schemes, health, education, human resources for vulnerable sections
• International Relations: India's bilateral relations, regional/global groupings

GS Paper III – Technology, Economy, Biodiversity, Security & Disaster Management

• Indian Economy: Planning, growth, development, employment, inclusive growth, budgeting, food security, land reforms
• Science & Technology: Everyday applications, IT, Space, Robotics, Nano-technology, Bio-technology
• Environment: Conservation, pollution, degradation, Environmental Impact Assessment (EIA)
• Disaster Management: Disasters and DM frameworks
• Internal Security: Extremism, cyber security, border management, external actors

GS Paper IV – Ethics, Integrity & Aptitude

• Ethics and Human Interface: Determinants and consequences of ethics in human actions
• Attitude, Moral & Political attitudes, Social influence and persuasion
• Integrity, Impartiality, Objectivity, Empathy, Tolerance (foundational values for civil servants)
• Emotional Intelligence in administration and governance
• Contributions of moral thinkers from India & the world
• Public/Civil Service Values, probity in governance, code of ethics, RTI, corruption challenges
• Case Studies on all above issues

Essay Paper (Paper I – 250 Marks)

Candidates write essays on multiple topics spanning social, political, economic, philosophical, environmental, and cultural themes. Clarity, structured presentation, and precise expression are assessed.

UPSC Optional Subjects – Complete List (48 Subjects)

Choose one optional subject for Mains Papers VI & VII (500 marks combined). Tested at honors-degree level.

Sociology UPSC Optional Syllabus

Paper I – Fundamentals of Sociology: Sociology as a science, sociological theory (Durkheim, Weber, Marx, Parsons), social research methods, social stratification and mobility, kinship, marriage and family, social change and development.

Paper II – Indian Society: Structure and change in Indian society, perspectives on the study of Indian society, rural & agrarian social structure, caste system, tribals & marginalization, urbanization, religion & society, social movements in India.

Stage III: UPSC Personality Test / Interview (275 Marks)

Candidates who clear the Mains written examination cutoff are summoned for the Personality Test (Interview) at Dholpur House, New Delhi. The interview carries 275 marks with no minimum qualifying cutoff mark.

Anthropology UPSC Optional Syllabus

Paper I: Physical & Biological Anthropology (human evolution, genetics, primate behavior, human adaptation), Social-Cultural Anthropology (social organization, religion, kinship, culture theory, economic anthropology).

Paper II – Indian Anthropology: Pre-history of India, tribal communities & scheduled areas, biological variation in India, applications of Anthropology in development, contemporary Indian society challenges.

How to Download UPSC Syllabus PDF 2026

UPSC Prelims Cut-Off Trends (Last 5 Years GS-I Score Analysis)

Understanding official cut-off benchmarks helps calibrate your target attempts. In Prelims Paper I (GS), only 40–45% marks have historically been required to qualify for Mains (out of 200 marks):

Strategic Takeaway: A net score of 88 to 92 marks (45–46 accurate questions net of negative marking) in GS Paper I provides an almost 100% historical safety margin for General category candidates, provided CSAT is safely cleared.

UPSC Syllabus 2026 vs 2025 – Any Changes?

The core UPSC CSE syllabus has remained stable for many years. Does UPSC syllabus change every year? No ” the prescribed syllabus topics do not change annually. What changes is: the exam notification dates, number of vacancies, and cut-off scores. Always verify using the current year's official notification from upsc.gov.in.

Recommended Books for UPSC Syllabus 2026

UPSC Application: Photo & Signature Requirements (OTR)

After studying the syllabus and applying, candidates must upload compliant photos and signatures on the UPSC OTR portal (upsconline.nic.in). Incorrect files lead to application rejection.

• Passport Photograph: Minimum 350 x 350 pixels (up to 1000 x 1000 px), 20 KB to 300 KB, JPEG format. Name and date of photo must be printed at the bottom.
• Signature: Square aspect ratio, 350 x 350 pixels minimum, 20 KB to 300 KB, black ink on white paper.
• Live Photo Capture: UPSC OTR also requires real-time webcam photo for identity verification.

UPSC Syllabus in Hindi

UPSC ka syllabus kya hai? UPSC CSE ka syllabus teen charan mein vibhajit hai:

• Prathamik Pariksha: GS Paper I (Vartaman Ghatnaen, Itihas, Bhugol, Rajvyavastha, Arthvyavastha, Paryavaran, Samanya Vigyan – 200 ank) + CSAT Paper II (arhat pariksha, nyuntam 33% – 200 ank)
• Mukhya Pariksha: 9 papers – 2 arhat papers (bhasha + angrezi) + 7 merit papers (Nibandh + GS I, II, III, IV + Vaikalpik Vishay I aur II) = 1750 merit ank
• Saakshatkaar: Vyaktitva Pariksha – 275 ank

UPSC syllabus PDF in Hindi / UPSC syllabus in Hindi PDF: Aadharik pathyakram upsc.gov.in par available hai. Hindi madhyam ke umeedwaar Drishti IAS ya Vision IAS ke Hindi anuvadit sansikaran ka upyog kar sakte hain.

UPSC Civil Services 2026 Examination Schedule & Calendar

UPSC Syllabus 2027 – What to Expect

For candidates targeting UPSC CSE 2027, the syllabus is expected to remain the same as 2026. UPSC does not announce syllabus changes ahead of the notification. Begin preparation using the 2026 syllabus ” all GS papers, CSAT, optional subjects, and essay remain the same framework. Watch for the official 2027 notification on upsc.gov.in (typically released in January-February of the exam year).