UPSC CSE Exam Guide: Prelims, Mains and Study Plan
Short answer
UPSC Civil Services Examination (CSE) selects candidates for IAS, IPS and other services. CSE Prelims 2027 is on 23 May 2027; notification 13 January 2027; apply by 2 February 2027. Mains starts 20 August 2027 (official UPSC 2027 calendar).
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Dates and rules change. This is a general guide. Always confirm on the official website: UPSC exam calendar.
UPSC CSE is India's flagship civil services exam. Graduates in the notified age range (with category relaxations) can apply. Read the year's notification for exact age, attempts and degree rules.
Key dates for CSE 2027
| Stage | Date (official calendar) |
|---|---|
| Notification | 13 January 2027 |
| Last date to apply | 2 February 2027 |
| Prelims | 23 May 2027 (Sunday) |
| Mains starts | 20 August 2027 (five days) |
Results and interview dates appear later on upsc.gov.in. See our exam calendar.
Exam pattern (brief)
- Prelims: two objective papers (GS and CSAT); CSAT is qualifying.
- Mains: nine descriptive papers including Essay, GS I-IV, Optional (two), language papers.
- Personality Test: interview for those who clear Mains.
Fees and detailed marks are in the official notification. Download previous papers and the syllabus PDF from the UPSC site only.
Syllabus overview
Prelims GS covers current affairs, history, geography, polity, economy, environment and science. Mains adds ethics, deeper GS and your optional subject.
8-week study plan
- Weeks 1β2: syllabus map + basics; daily Pomodoro timer sessions.
- Weeks 3β4: topic drills; log streaks with the habit tracker.
- Weeks 5β6: timed sections via the countdown timer.
- Weeks 7β8: full mocks, error log, light revision only.
Draft answers in the online notepad and check length with the word counter. Focus tips: Pomodoro technique guide.
Top tips
- CSAT is only qualifying β still practise enough to clear it safely.
- Read the official syllabus line by line.
- Use UPSC previous-year papers, not random guess papers.
Dates and rules change. This is a general guide. Always confirm on the official website: UPSC exam calendar.
Independent study hub β not affiliated
ViralScopeHub is not affiliated with NTA, UPSC, SSC, College Board, ETS, IELTS, Pearson, IBPS, RRB, AAMC, LSAC, GMAC, or any exam board or government. Dates, fees, syllabuses and rules change. Confirm every detail only on the official website linked in this guide and its Sources. On-site quizzes are unofficial original practice for learning β not real exams, not past papers, and not official question banks. We do not host copyrighted exam papers or scraped question banks. See our disclaimer.
Frequently asked questions
When is UPSC CSE Prelims 2027?
According to the official UPSC 2027 calendar, Prelims is on 23 May 2027.
When does the CSE 2027 notification come out?
The calendar lists notification on 13 January 2027 and the last date to apply as 2 February 2027.
How many stages are there?
Three: Preliminary, Mains and Personality Test (interview).
Where can I get previous papers?
From the official UPSC website (Previous Question Papers section).
Is CSAT counted for ranking?
No. CSAT is qualifying; GS Paper I marks decide Prelims shortlisting (confirm in the notification).