Complete guide for UPSC CSE 2026 — Prelims Result (July 2026) → Mains (Sep–Oct 2026) → Mains Result (Dec 2026) → Interview (Jan–Mar 2027) → Final Result (May 2027). All stages, services, syllabus, and strategy covered.
India's premier civil services examination — the gateway to Indian Administrative Service and allied services
Prelims → Mains → Personality Test — each stage filters candidates progressively
Screening Test
GS Paper 1 + CSAT
Written Exam
9 Papers (7 counted)
Personality Test
UPSC Board
| Stage | Papers | Marks | Nature | Cutoff | Purpose |
|---|---|---|---|---|---|
| Prelims GS 1 | 100 MCQs (2 hrs) | 200 | Objective (MCQ) | Varies by category | Merit — used for Prelims ranking |
| Prelims CSAT | 80 MCQs (2 hrs) | 200 | Objective (MCQ) | 33% (66 marks) | Qualifying only — not counted in merit |
| Mains Language A | Essay-type (3 hrs) | 300 | Descriptive | Qualifying | Qualifying only — not counted in merit |
| Mains English B | Essay-type (3 hrs) | 300 | Descriptive | Qualifying | Qualifying only — not counted in merit |
| Mains GS 1–4 + Essay + Optional | 7 Papers (3 hrs each) | 1,750 | Descriptive | Final cutoff | Counted in final merit list |
| Interview (PT) | ~30–40 minute board interview | 275 | Oral | — | Counted in final merit list |
| Final Merit Total | 2,025 | Mains 1,750 + Interview 275 = 2,025 (Prelims NOT included) | |||
24 services allocated by rank — IAS goes to top rankers
District Collector, Divisional Commissioner, Secretary to Government. Handles administration, policy implementation, revenue, and public order. Cadre-based (State + Centre).
SP, DIG, IG, DGP. Leads law enforcement, border security, CBI, IB. Commands police forces at state and national level. All-India Service like IAS.
Diplomat, Ambassador, High Commissioner. Represents India internationally in 187 missions worldwide. Manages trade, bilateral ties, and international negotiations.
Income Tax Officer, Commissioner. CBDT, tax collection, enforcement, investigation of tax evasion and financial crimes. Posts under Ministry of Finance.
Customs Officer, GST Commissioner, Anti-smuggling. Works under CBIC. Manages import/export duties, GST enforcement, and narcotics control.
Separate UPSC exam (IFoS). Divisional Forest Officer, Conservator, PCCF. Manages India's forests, wildlife, and environment. Requires science background.
Other Services Allocated through UPSC CSE:
| Service | Full Name | Ministry / Department |
|---|---|---|
| IAAS | Indian Audit & Accounts Service | Comptroller & Auditor General of India |
| IDAS | Indian Defence Accounts Service | Ministry of Defence |
| IRTS | Indian Railway Traffic Service | Ministry of Railways |
| IRPS | Indian Railway Personnel Service | Ministry of Railways |
| IPOS | Indian Postal Service | Ministry of Communications |
| CAPF | Central Armed Police Forces (AC) | Ministry of Home Affairs |
| ICAS | Indian Civil Accounts Service | Ministry of Finance |
| ISSS | Indian Statistical Service | Ministry of Statistics |
Full cycle: July 2026 (Prelims Result) → March 2027 (Interview) → May 2027 (Final Result)
| Category | Application Fee |
|---|---|
| General / OBC / EWS | ₹100 |
| SC / ST / Female (all categories) | Exempt (₹0) |
| PwBD (Benchmark Disabled) | Exempt (₹0) |
Key Exam Facts:
| Particular | Detail |
|---|---|
| Frequency | Once a year |
| Prelims Mode | OMR Sheet (Offline Pen & Paper) |
| Mains Mode | Descriptive (Pen & Paper, offline) |
| Interview | UPSC Bhavan, New Delhi (in-person) |
| Prelims Centres | 77+ cities across India |
| Mains Centres | 72+ cities across India |
| Medium | English + any Indian language |
| Optional Subjects | 48 subjects to choose from |
| Vacancies (approx.) | ~1,000–1,100 per year |
Age limits, educational qualification, nationality, and attempt limits
| Category | Min. Age | Max. Age | Max. Attempts |
|---|---|---|---|
| General | 21 years | 32 years | 6 attempts |
| OBC (Non-Creamy Layer) | 21 years | 35 years (+3 yrs) | 9 attempts |
| SC / ST | 21 years | 37 years (+5 yrs) | Unlimited |
| PwBD (General) | 21 years | 42 years (+10 yrs) | 9 attempts |
| PwBD (SC/ST) | 21 years | 47 years | Unlimited |
| Ex-Servicemen (General) | 21 years | 37 years | 6 attempts |
The screening stage — only Paper 1 marks determine Prelims cutoff
| Particular | Detail |
|---|---|
| Total Questions | 100 MCQs |
| Total Marks | 200 marks |
| Duration | 2 hours (120 minutes) |
| Marking | +2 correct / –⅔ (~–0.66) wrong / 0 unattempted |
| Mode | OMR Sheet (offline) |
| Purpose | Determines Prelims merit rank (cutoff) |
GS Paper 1 — Syllabus Topics:
| Topic Area | Approx. Weightage |
|---|---|
| Current Events (National + International) | 20–25 Qs |
| History of India & Freedom Struggle | 12–15 Qs |
| Indian & World Geography | 12–15 Qs |
| Indian Polity & Governance (Constitution) | 10–12 Qs |
| Economic & Social Development | 8–10 Qs |
| Environment, Ecology & Biodiversity | 10–12 Qs |
| General Science (Physics, Chemistry, Biology) | 8–10 Qs |
| Particular | Detail |
|---|---|
| Total Questions | 80 MCQs |
| Total Marks | 200 marks |
| Qualifying Marks | 33% = 66 marks minimum |
| Duration | 2 hours (120 minutes) |
| Marking | +2.5 correct / –⅚ wrong / 0 unattempted |
| Purpose | Qualifying only — marks NOT counted in Prelims merit |
CSAT Syllabus Topics:
| Topic | Focus |
|---|---|
| Comprehension (Reading RC) | 3–4 passages, inference, critical reasoning |
| Interpersonal & Communication Skills | Situational questions |
| Logical Reasoning & Analytical Ability | Puzzles, blood relations, directions |
| Decision Making & Problem Solving | Administrative scenario questions |
| Basic Numeracy (Class 10 level) | Percentages, averages, ratio, speed-time |
| Data Interpretation | Tables, charts, graphs |
| English Language Comprehension | Grammar, vocabulary in context |
The most critical stage — determines final merit along with Interview
The final and most human stage — tests character, not just knowledge
| Aspect | Details |
|---|---|
| Duration | 30–45 minutes |
| Board Composition | 1 Chairman + 4 Board Members (UPSC-appointed) |
| Location | UPSC Bhavan, Dholpur House, New Delhi |
| Marks | 275 marks |
| Language | English or candidate's preferred Indian language |
| DAF | Detailed Application Form filled before interview |
What the Board Assesses:
| Quality Tested | How It Shows Up |
|---|---|
| Mental Alertness | Quick, accurate answers without nervousness |
| Critical Powers of Assimilation | Ability to analyse complex issues |
| Clear Expression | Clarity and confidence in verbal communication |
| Balance of Judgment | Balanced views on controversial topics |
| Variety & Depth of Interest | Diverse knowledge — sport, literature, science, art |
| Social Cohesion & Leadership | Ability to work with diverse groups |
| Intellectual & Moral Integrity | Consistency in values and ethical stands |
Choose wisely — optional subject can make or break your Mains score
★ POPULAR — indicates most chosen subjects by toppers and high scorers
Understand the scoring pattern to maximise your marks
| Stage / Paper | Correct | Wrong | Skipped | Important Rule |
|---|---|---|---|---|
| Prelims GS Paper 1 | +2 | –⅔ (–0.66) | 0 | Counted in merit — aim 100+ out of 200 |
| Prelims CSAT Paper 2 | +2.5 | –⅚ (–0.83) | 0 | Qualifying only — just cross 66 marks (33%) |
| Mains Papers (GS 1–4 + Essay + Optional) | No fixed marks per question — descriptive answers evaluated holistically | No negative marking in Mains | ||
| Interview / Personality Test | Board gives marks out of 275 — holistic evaluation | No negative marking | ||
5-year trend to calibrate your target score
| Category | 2024 Prelims Cutoff | 2023 Prelims Cutoff |
|---|---|---|
| General | 100.34 | 88.24 |
| OBC | 97.34 | 84.62 |
| SC | 82.00 | 72.66 |
| ST | 74.00 | 64.66 |
| EWS | 97.34 | 85.34 |
| PwBD | 72.00 | 55.34 |
| Category | 2024 Final Cutoff | 2023 Final Cutoff |
|---|---|---|
| General | 1009 | 1011 |
| OBC | 996 | 994 |
| SC | 934 | 939 |
| ST | 912 | 891 |
| EWS | 1002 | 997 |
| PwBD | 888 | 831 |
Beyond CSE — UPSC conducts 14+ exams for defence, engineering, and other services
Keep these ready for UPSC application, Mains, and interview stages
A proven roadmap to crack India's toughest exam
Read The Hindu or Indian Express cover-to-cover every day. Take structured notes on Polity, Economy, Environment, Science & Tech, and IR. Current affairs make up 25–30% of Prelims GS Paper 1 and deeply influence Mains GS 2 & 3. Without a strong daily news habit, no UPSC strategy works.
Start with Class 6–12 NCERTs for History, Geography, Polity, Economy, and Science. These are the roots. Then move to standard references: Laxmikanth (Polity), Bipin Chandra (History), Ramesh Singh (Economy), NCERT Geography + GC Leong, Shankar IAS (Environment). NCERTs + standard books = 80% of UPSC syllabus covered.
Mains is descriptive — writing quality decides your rank. Practice writing 150-word and 250-word structured answers every day. Follow structure: Introduction → Body (3 points with examples) → Conclusion with way forward. Use diagrams, flowcharts, and data wherever possible. Join a test series like Insights on India, ForumIAS, or Vision IAS for feedback.
Your optional subject contributes 500 marks (250+250) to the 1,750 Mains marks — nearly 29% of your score. Choose based on: (1) Your graduation background, (2) Availability of good study material, (3) Scoring history of the subject. Sociology, Anthropology, PSIR, Geography, and Public Administration have consistent high scorers. Don't choose based on others — choose what YOU understand best.
India's most prestigious career path demands discipline, consistency, and smart strategy. The first step is always the most important.