UPSC CSE

📌 Overview

The Union Public Service Commission (UPSC) Civil Services Examination (CSE) is India’s most prestigious recruitment exam. It selects officers for the Indian Administrative Service (IAS), Indian Police Service (IPS), Indian Foreign Service (IFS) and more than 20 other Group A and Group B central services.

The examination is conducted once every year in three successive stages: Preliminary Examination (objective screening), Main Examination (written descriptive papers) and Personality Test (interview). Marks of Prelims are not added to the final rank. Final merit is prepared out of 2025 marks (1750 from Mains + 275 from Interview).

For CSE 2026, UPSC notified 933 vacancies. Prelims was held on 24 May 2026. Mains commenced on 21 August 2026. Personality Test is expected in early 2027. Always treat the official notification and Information Brochure on upsc.gov.in as the only authentic source.

🎯 Services Recruited Through CSE

Successful candidates are allocated services based on rank, preference and category vacancies. Major services include:

• All India Services: Indian Administrative Service (IAS), Indian Police Service (IPS), Indian Forest Service is a separate exam that uses CSE Prelims as screening.
• Group A Central Services: Indian Foreign Service (IFS), Indian Revenue Service (IT / C&CE), Indian Audit and Accounts Service, Indian Civil Accounts Service, Indian Railway Traffic / Accounts / Personnel Services, Indian Defence Accounts / Estates / Ordnance Factories services, Indian Postal Service, Indian Information Service, and others.
• Group B Services: Armed Forces Headquarters Civil Service, Delhi, Andaman & Nicobar Civil Service, Pondicherry Civil Service, and selected other posts notified each year.

📋 Eligibility

Nationality

• For IAS / IPS: Must be a citizen of India.
• For other services: Citizen of India, or subject of Nepal / Bhutan, or Tibetan refugee who came before 1 January 1962, or a person of Indian origin who has migrated from specified countries with the intention of permanently settling in India (subject to eligibility certificate).

Educational Qualification

• A Bachelor’s degree from a recognised university in any discipline.
• Final-year students may appear in Prelims and Mains; proof of passing the degree is required before the Personality Test.
• There is no minimum percentage requirement.

Age Limit (as on 1 August of the exam year)

• General / EWS: 21 to 32 years
• OBC (NCL): 21 to 35 years (3 years relaxation)
• SC / ST: 21 to 37 years (5 years relaxation)
• PwBD: additional 10 years over the respective category limit
• Ex-servicemen and certain other categories get notified relaxations.

Number of Attempts

• General / EWS: 6 attempts
• OBC: 9 attempts
• SC / ST: Unlimited till the upper age limit
• PwBD: 9 attempts for General / OBC / EWS; unlimited for SC / ST till age limit
• Appearing in even one paper of Prelims counts as an attempt.

There is no restriction on the number of times a candidate may fill the form, but only the attempts actually taken count. From CSE 2026 rules, candidates already selected into a Group A service through CSE are barred from reappearing.

📝 Exam Pattern

Stage 1 – Preliminary Examination (Screening)

Two compulsory objective papers of 200 marks each, 2 hours each, offline OMR. Negative marking: 1/3rd of the marks assigned to a question.

• General Studies Paper I (200 marks): Current events, History of India & Indian National Movement, Indian & World Geography, Indian Polity & Governance, Economic & Social Development, Environment & Ecology, General Science. This paper decides the Prelims cut-off.
• CSAT – General Studies Paper II (200 marks): Comprehension, interpersonal skills, logical reasoning, decision making, basic numeracy (Class X level), data interpretation. Qualifying only – 33% (66.67 marks) required. Marks not counted for ranking.

Prelims is only a filter. Typically 12–15 times the number of vacancies are shortlisted for Mains.

Stage 2 – Main Examination (Written)

Nine conventional (descriptive) papers. Two language papers are qualifying (25% minimum). Seven papers of 250 marks each are counted for merit (1750 marks).

• Paper A – Indian Language (300 marks, qualifying): One language from the Eighth Schedule. Candidates from Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland and Sikkim are exempted.
• Paper B – English (300 marks, qualifying)
• Paper I – Essay (250 marks)
• Paper II – General Studies I (250): Indian Heritage & Culture, History and Geography of the World and Society
• Paper III – General Studies II (250): Governance, Constitution, Polity, Social Justice and International Relations
• Paper IV – General Studies III (250): Technology, Economic Development, Biodiversity, Environment, Security and Disaster Management
• Paper V – General Studies IV (250): Ethics, Integrity and Aptitude
• Paper VI & VII – Optional Subject Paper I & II (250 + 250)

Each paper is 3 hours. Candidates choose one optional from the official list (Literature, Humanities, Science, Engineering, Medical, Commerce, etc.).

Stage 3 – Personality Test / Interview (275 marks)

A board of UPSC members assesses mental calibre, social traits, interest in current affairs, critical powers of assimilation, balance of judgement, ability for social cohesion, leadership and intellectual and moral integrity. There is no minimum qualifying mark, but performance can change rank by hundreds of places.

📚 Detailed Syllabus Snapshot

Prelims GS Paper I – Broad Areas

• 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
• Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives
• General issues on Environmental Ecology, Biodiversity and Climate Change
• General Science

Mains GS I – Key Themes

• Indian culture: art forms, literature, architecture from ancient to modern times
• Modern Indian history from mid-18th century, Freedom Struggle, post-independence consolidation
• World history: events from 18th century, industrial revolution, world wars, redrawal of national boundaries, decolonisation, political philosophies
• Indian society: diversity, role of women, population, poverty, urbanisation, globalisation, communalism, regionalism, secularism
• World’s physical geography; distribution of natural resources; geophysical phenomena (earthquakes, tsunami, volcanoes, cyclones)

Mains GS II – Key Themes

• Indian Constitution: historical underpinnings, evolution, features, amendments, basic structure
• Functions and responsibilities of the Union and the States; federal issues; devolution to local levels
• Separation of powers, dispute redressal, comparison with other constitutions
• Parliament and State Legislatures; Executive and Judiciary; representation of people’s act
• Statutory, regulatory and various quasi-judicial bodies
• Government policies, welfare schemes, social sector, health, education, human resources
• India and its neighbourhood; bilateral, regional and global groupings; effect of policies of developed and developing countries; important international institutions

Mains GS III – Key Themes

• Indian economy, planning, mobilisation of resources, growth, development, employment
• Inclusive growth, government budgeting
• Major crops, irrigation, food security, PDS, technology in agriculture, animal rearing
• Infrastructure: energy, ports, roads, airports, railways; investment models
• Science and technology developments, indigenisation, awareness in IT, space, computers, robotics, nano-tech, bio-tech, IPR
• Environment, conservation, pollution, EIA; Disaster management
• Internal security: linkages of organised crime with terrorism, border management, cyber security, money laundering

Mains GS IV – Ethics

• Ethics and Human Interface; Human Values; Attitude; Aptitude and foundational values for Civil Service
• Emotional intelligence; contributions of moral thinkers
• Public/Civil service values and ethics in public administration; ethical concerns and dilemmas
• Probity in governance; codes of ethics/conduct; citizen’s charters; work culture; quality of service delivery; utilisation of public funds; challenges of corruption
• Case studies on the above issues

📅 Important Dates (CSE 2026 Cycle)

• Notification: 14 January 2026
• Last date to apply: early February 2026 (as per notification; confirm on portal)
• Prelims: 24 May 2026
• Prelims result: typically 3–4 weeks after exam
• Mains: 21 August 2026 onwards (multi-day schedule through end of August)
• Mains result: usually December / January
• Personality Test: early 2027
• Final result: mid-2027

Always verify dates on the official UPSC annual calendar and the specific year’s notification. Dates can shift.

💻 Application Process

1. Create / use One Time Registration (OTR) / Universal Registration Number on upsconline.gov.in.
2. Fill Part I and Part II of the application, upload photo, signature and required documents.
3. Pay the fee online (fee exemption for female / SC / ST / PwBD as per rules).
4. Download the application printout and keep it safe.
5. Download e-Admit Card from the same portal when released (usually 2–3 weeks before Prelims / Mains).

Do not submit multiple applications. Keep a valid photo ID (Aadhaar, Passport, PAN, Driving Licence, Voter ID) ready for the exam hall.

💰 Application Fee (typical)

• General / OBC / EWS (male): ₹100 for Prelims (as historically notified; confirm current bulletin)
• Female / SC / ST / PwBD: Exempt
• Mains fee is notified separately for qualified candidates

📈 Cut-off Trends (indicative, General category)

Prelims GS Paper I cut-off for General has generally ranged in the mid-80s to mid-90s out of 200 in recent years, depending on paper difficulty. CSAT must be separately cleared at 33%. Mains written cut-off (out of 1750) and final cut-off (out of 2025) vary with vacancy and optional scoring. Always study official cut-off PDFs released by UPSC after the final result.

💼 Career, Training & Salary

Selected officers undergo foundation training at LBSNAA, Mussoorie, followed by professional training at service-specific academies (SVPNPA for IPS, FSI for IFS, NADT for IRS, etc.). Pay is as per 7th CPC with Dearness Allowance, House Rent Allowance, Transport Allowance and service-specific perks. IAS officers start as Assistant Collectors / SDMs and can rise to Cabinet Secretary. IPS officers start as Assistant Superintendents of Police. IFS officers join as Third Secretaries and can become Ambassadors.

Career highlights include district administration, policy making, law and order, diplomacy, revenue administration and representation of India abroad. Job security, social prestige and the chance to impact public life are the main attractions.

🔗 Official Resources

• UPSC Official Website
• UPSC Online Application Portal
• UPSC Annual Examination Calendar
• Previous Year Question Papers (Examination section)
• Notification, rules, syllabus appendices and cut-off PDFs are published on the same site every cycle.

💡 Preparation Tips

• Build a single, trusted book list. NCERTs (Class 6–12) plus one standard text per GS area (Laxmikanth for Polity, Spectrum for Modern History, GC Leong / NCERT for Geography, Ramesh Singh or similar for Economy, Shankar for Environment) is a common core.
• Read one national newspaper daily and maintain concise current-affairs notes mapped to the syllabus, not to the news cycle.
• CSAT is qualifying but has eliminated many serious candidates. Practise comprehension, basic maths and reasoning every week from the start.
• For Mains, answer-writing practice is non-negotiable. Write timed answers, get them evaluated, and build introductions, body structure, diagrams and conclusions.
• Choose an optional you can sustain for 8–10 months. Overlap with GS (Political Science, Sociology, Anthropology, Geography, Public Administration) saves time but is not mandatory.
• Ethics requires both theory and a bank of personal / administrative examples. Practise case studies weekly.
• Take full-length mock Prelims under exam conditions. Analyse mistakes by topic, not just by score.
• Keep physical and mental health in the plan: sleep, exercise and short breaks prevent burnout in a 12–18 month cycle.
• After Prelims, shift immediately to Mains answer writing. After Mains, prepare a Detailed Application Form (DAF) based interview strategy.

📖 Suggested Starter Resources (non-official)

• NCERT textbooks: History, Geography, Polity, Economics, Science (selectively)
• Indian Polity – M. Laxmikanth
• A Brief History of Modern India – Spectrum
• Certificate Physical and Human Geography – G.C. Leong
• Economic Survey and Union Budget (summary + selected chapters)
• 2nd ARC reports (selected), NITI Aayog strategy documents (selectively)
• Previous 10 years of UPSC Prelims and Mains papers (official PDFs)

Coaching is optional. Many toppers are self-taught. What matters is consistency, revision and testing.

❓ Frequently Asked Questions

• Can final-year students apply? Yes, for the written stages. Degree proof is needed before the interview.
• Is there a limit on optionals? One optional subject (two papers) from the official list.
• Does Prelims score count in the final rank? No.
• Can I write Mains in a regional language? Yes, except the qualifying English paper. Medium must be chosen carefully and used consistently.
• How many candidates reach the interview? Roughly twice the number of vacancies.
• Is coaching compulsory? No. Structured self-study plus mocks is sufficient for many successful candidates.

🗂️ Chapter / Theme Checklist (Prelims + Mains GS)

History

• Ancient: Harappan, Vedic, Mahajanapadas, Maurya, Post-Maurya, Gupta, South Indian kingdoms, society, religion, art
• Medieval: Delhi Sultanate, Vijayanagara, Mughals, Bhakti-Sufi, administration, economy
• Modern: Advent of Europeans, British expansion, 1857, socio-religious reform, Congress moderates/extremists, Gandhi era, revolutionary movements, INA, partition, post-1947 consolidation
• World history (Mains): industrial revolution, world wars, colonisation, decolonisation, ideologies (communism, capitalism, socialism)
• Art & culture: architecture, painting, dance, music, literature, UNESCO sites, philosophy schools

Geography

• Geomorphology, climatology, oceanography, Indian physiography, monsoon, soils, natural vegetation
• Resources, agriculture, industry, transport, population, settlements
• Map practice: rivers, mountain passes, national parks, minerals, ports

Polity & Governance

• Making of Constitution, Preamble, features, amendment, basic structure
• FR, DPSP, FD, Union-State, Parliament, President, PM, SC/HC, PIL
• Federalism, emergency, elections, CAG, EC, UPSC, Finance Commission, NHRC
• Local government, pressure groups, schemes, e-governance, transparency, RTI

Economy

• National income, growth vs development, inflation, banking, monetary & fiscal policy
• Budget, tax, GST, planning to NITI, poverty, unemployment, inclusion
• Agriculture, industry, services, infrastructure, external sector, WTO/IMF/WB

Environment & Science

• Ecosystems, biodiversity, climate change, treaties (UNFCCC, CBD, CMS), pollution laws
• S&T: space, biotech, IT, nano, health, IPR — current + basics

Ethics (GS IV)

• Ethics foundations, attitude, EI, moral thinkers, public service values, probity, case studies

🗂️ How to build your personal syllabus sheet

1. Download the official syllabus / information handout PDF tonight.
2. Copy every heading into a notebook page or spreadsheet.
3. Against each heading write: Book chapter / NCERT unit / YouTube playlist name / last PYQ year you solved.
4. Mark High / Medium / Low after you solve 3 years of PYQs — not before.
5. Revise High topics four times, Medium twice, Low once, all with PYQs.

Current affairs — one method for every exam on this site

• Read (do not only watch): one newspaper or PIB daily digest.
• Make 5–10 lines per important scheme, report, judgment, RBI decision or science mission.
• Revise a 30-day file every Sunday and a 6-month file before Prelims / Mains.
• Link every CA note to a static syllabus heading (polity, economy, environment, banking, defence).

PYQ rule

• If a topic has not appeared in 8–10 years and is tiny in the official syllabus, keep it low priority.
• If a topic appears every year (polity articles, percentage, RC, banking rates, NCERT biology lines), it is High regardless of coaching “new pattern” videos.

📊 Exam Trend & Highest-Weightage Areas

Commissions do not publish an official chapter-wise weightage table. The points below come from public previous-year papers and widely used coaching analyses. Use them to decide revision order, not to skip a listed syllabus topic.

UPSC CSE — what actually carries rank

• Prelims GS I: Polity + Economy + Environment + Modern History + Current-linked static usually decide the cut-off. Art & culture and ancient/medieval are smaller but non-zero.
• CSAT: Qualifying 33%. Comprehension + basic numeracy have eliminated many GS-strong candidates. Practise weekly.
• Mains merit (1750): GS 1000 + Optional 500 + Essay 250. Interview 275 is added later.
• Highest ROI writing: GS II (polity/governance) and GS III (economy/agri/internal security) plus a well-prepared optional.
• Trend: more application and current-linked questions; fewer one-line fact questions in Prelims than a decade ago.

Detailed syllabus map (tick from the official notification appendix)

• Prelims GS: current events; History of India & national movement; Indian & world geography; Polity & governance; economic & social development; environment & ecology; general science.
• Mains GS I–IV as printed in the Rules — culture, world history, society, constitution, IR, economy, agri, S&T, environment, security, ethics case studies.
• Optional: two papers of one subject from the official list.

📚 What Content You Should Actually Follow

1. Official syllabus PDF of the current year — print it and tick topics.
2. Official previous year papers (last 8–10 years) from the commission / NTA / IBPS / SSC website.
3. One primary book per subject (listed below). Do not collect 10 PDFs of the same chapter.
4. NCERT Class 6–12 where the exam is GS / science / maths based — free on ncert.nic.in.
5. Current affairs only from a newspaper + one monthly compilation + the official PIB / ministry sites.
6. Mocks that copy the live interface (sectional timer, NAT, descriptive box).

📖 Standard Books (widely used by serious aspirants)

• Polity: Indian Polity — M. Laxmikanth; NCERT Class 11 Indian Constitution at Work
• Modern History: Spectrum (Rajiv Ahir); NCERT Themes in Indian History Part III
• Geography: NCERT Class 11–12; Certificate Physical and Human Geography — G.C. Leong (selective)
• Economy: NCERT Class 11–12; Indian Economy — Ramesh Singh or Sanjiv Verma (selective); Economic Survey highlights; Union Budget summary
• Environment: NCERT biology ecology units; Shankar IAS Environment (selective)
• Science (SSC / RRB / GD): Lucent GK science + NCERT 6–10
• Quant / Maths (SSC): SSC previous papers + Rakesh Yadav / Kiran PYQ or equivalent type-wise book; NCERT 8–10 for basics
• Quant (Bank / CAT): Arun Sharma or Sarvesh Verma selectively; daily DI sets
• English grammar: Wren & Martin (selective) + Neetu Singh (KD Campus) Plinth to Paramount / SP Bakshi Objective General English
• Reasoning: R.S. Aggarwal (foundation) + exam-specific PYQ book (Kiran / Adda / Oliveboard)
• Static GK: Lucent General Knowledge; one atlas (Oxford / Orient Blackswan)
• JEE / NEET Physics: H.C. Verma; D.C. Pandey or Physics Galaxy; NCERT exemplar
• JEE / NEET Chemistry: NCERT first; N. Awasthi / M.S. Chauhan / V.K. Jaiswal as level demands
• JEE Maths: Cengage or Arihant series + previous JEE Main / Advanced papers
• NEET Biology: NCERT Class 11–12 line by line; MTG / All-in-one only after NCERT
• CAT VARC: past CAT RCs; a good newspaper editorial habit
• GATE: standard UG textbooks of the branch + made-easy / ACE previous paper books + official GATE papers on the organising IIT site

Buy the latest edition. Second-hand previous-year paper books are enough for practice. Coaching photocopies are optional.

🌐 Official & Open / Free Content (use these first)

• NCERT textbooks (free PDF)
• ePathshala
• NPTEL — free engineering / science lectures by IIT faculty
• DIKSHA
• Press Information Bureau — authentic government news
• Union Budget & Economic Survey
• RBI — monetary policy, bulletin (banking / RBI / NABARD / SEBI)
• UPSC previous papers and cut-offs
• SSC notices and some paper archives
• IBPS information handouts
• NTA — JEE, NEET, CUET, UGC NET, CSIR NET mocks and keys
• SWAYAM — free university courses
• Khan Academy (free world-class maths / science videos mapped to school level)
• Official mock / practice portals of NTA, IBPS (when opened) and JoSAA / MCC counselling brochures

Prefer a government PDF over a random Telegram file. Fake “memory-based papers” with wrong keys waste months.

▶️ YouTube Channels & Teachers (free classes — pick ONE per subject)

These are well-known public education channels. They are not official partners of this website. Watch playlists, not 10 live classes a day. Pause and solve; do not only listen.

School / JEE / NEET foundation

• Physics Wallah (Alakh Pandey) — Physics and complete JEE / NEET boards-to-entrance path; also Defence / SSC verticals under PW
• Khan Academy India — calm concept videos for Maths and Science
• ExamFear / LearnoHub — chapter-wise school Science and Maths
• Physics Galaxy (Ashish Arora) — JEE Physics depth
• Mohit Tyagi — JEE Mathematics (long but thorough playlists)
• Unacademy JEE / NEET and Vedantu JEE — free live plus recorded batches

UPSC / State PSC

• Mrunal Patel — Economy, Budget, Economic Survey (also useful for RBI / NABARD)
• Drishti IAS — Hindi + English current affairs and GS
• StudyIQ IAS — daily CA and subject crash courses
• Vision IAS — current affairs and strategy videos
• ForumIAS / OnlyIAS / Sleepy Classes — optional and GS answer writing samples
• Unacademy UPSC — free editorial and GS sessions

SSC / Railway

• Gagan Pratap Maths — type-wise SSC Maths
• Rankers Gurukul (Aditya Ranjan) — arithmetic for beginners
• English with Rani Ma’am and KD Live (Neetu Singh Ma’am) — SSC English
• Parmar SSC — exam-oriented GA / GS
• Adda247 SSC, Wifistudy, Testbook SSC — live practice

Banking / Insurance / RBI / SEBI / NABARD

• Adda247 Bankers — full IBPS / SBI path, daily CA
• Banking Wallah (Physics Wallah) — puzzles and bank syllabus classes
• Oliveboard and Guidely — mock discussion and mains DI / puzzles
• AffairsCloud / BankersAdda written CA — monthly PDFs (website + YT recap)
• Mrunal again for RBI Grade B ESI / economy

CAT / Management

• Rodha — CAT Quant
• 2IIM CAT — VARC and strategy
• Anastasis Academy / Elites Grid — DILR sets (use free videos + official CAT papers)

GATE / ESE / CSIR

• NPTEL — first choice (IIT faculty, free)
• GATE Academy / Made Easy / ACE YouTube — previous paper discussions
• Unacademy GATE — free plus structured batches

Law / CUET / NET

• LegalEdge / LawSikho free CLAT sets and consortium sample papers
• CUET Adda / PW CUET — domain NCERT walk-throughs
• Let’s Crack UGC NET / Unacademy NTA-UGC — Paper 1 playlists

How to watch: one teacher per subject, 1.25× speed, notebook open, 30-minute video + 30-minute self-practice. Unfollow extra channels.

🗓️ A Simple Content Routine (works for almost every exam on this site)

• Morning (60–90 min): newspaper or PIB + 10 MCQs of yesterday’s CA
• Mid-day (2–3 hrs): one static / core subject from the official syllabus with a standard book
• Evening (90 min): PYQs of that chapter + error log
• Night (45 min): weak-area drill (CSAT / English / formulae)
• Weekly: one full mock in exam conditions + 2-hour analysis
• Monthly: revise the error log, not the whole bookshelf

✅ Open-source & low-cost practice platforms

• Official PYQ PDFs (UPSC, NTA keys, IBPS memory-based after official handout)
• NTA Abhyas / practice tests when the exam window opens
• Free weekly mocks: Oliveboard, Testbook, Adda247, Gradeup/BYJU’S Exam Prep (limited free tier)
• Anki / any free flashcard app for formulae and polity articles
• Google Arts & Culture / Survey of India maps for geography outline practice

⚠️ How to treat coaching names on this page

Book names and YouTube teachers are listed because lakhs of students already use them in public. This site does not sell their courses and does not guarantee a rank if you watch them. Always cross-check facts with the official syllabus and previous papers. If a video contradicts the official notification, trust the notification.

⚠️ Important Disclaimers

Rules, vacancies, fees, dates and syllabus appendices change. This page is an educational overview compiled from publicly available official patterns. Before applying or planning, download the latest CSE notification, Rules and Information Brochure from upsc.gov.in and upsconline.gov.in.