Civil Service Exam
Exam pattern, eligibility, services and how the UPSC CSE actually works.
UPSC Exam Pattern: Prelims, Mains & Interview Explained
UPSC CSE has three stages: Prelims (screening), Mains (1750 marks) and Interview (275). Only Mains and Interview count for your final rank out of 2025. Here is each stage's paper-wise structure, the negative-marking arithmetic, and the misconceptions that trip up first-time aspirants.
Read →UPSC Eligibility Criteria: Age Limit, Attempts & Education
Who can sit the UPSC Civil Services Exam? Full eligibility explained — nationality rules, 21–32 age band with category-wise relaxations, 6/9/unlimited attempts, what officially counts as an attempt, and how final-year students can apply. Verified against the official UPSC notification.
Read →UPSC Optional Subjects: Full List & How to Choose
UPSC Mains lets you pick one optional worth 500 marks — two papers of 250 each. Full list of 25 subjects plus 23 literature options grouped by stream, a four-filter framework — interest, GS overlap, scoring style, guidance — and the common mistakes that cost aspirants ranks.
Read →List of Services Under UPSC CSE: IAS, IPS, IFS & More
The UPSC CSE currently recruits for 23 services — IAS, IPS, IFS plus other Group A and Group B services. See the verified current list from the official notification, how rank–preference–category allocation actually works, and why the Indian Forest Service sits in a separate exam.
Read →How to Prepare for UPSC CSE: A First-Principles Guide
A first-principles UPSC CSE preparation plan for 12-18 months: why syllabus and PYQs come before books, the NCERT base, the one-source rule, a daily current-affairs system, answer writing from month one, revision cycles, test series, and a month-wise phase table you can adapt to your timeline.
Read →