UPSC CSE 2026 Exam Pattern — Prelims, Mains & Interview Structure

The UPSC CSE 2026 Exam Pattern consists of three successive stages, each more demanding than the previous.

Prelims (Screening)

Two objective papers on a single day. GS Paper I: 100 questions, 200 marks, 2 hours — determines cutoff. CSAT Paper II: 80 questions, 200 marks, 2 hours — qualifying only (33% minimum). Negative marking of 1/3 in both papers. Only GS-I marks count for cutoff.

Mains (Written — 1750 marks)

Nine papers over 5-7 days. Qualifying papers: Compulsory Indian Language (300 marks, qualifying) and English (300 marks, qualifying). Merit papers (1750 total): Essay (250), GS-I to GS-IV (250 each = 1000), Optional Paper I & II (250 each = 500). All descriptive/essay format. Each paper is 3 hours.

Interview / Personality Test (275 marks)

Conducted by UPSC board over 30-45 minutes. Tests not academic knowledge but personal qualities: mental alertness, critical thinking, social cohesion, integrity, leadership potential. The board includes the Chairman/Member of UPSC and external experts.

Final Merit

Total marks = Mains (1750) + Interview (275) = 2025. Final ranking determines service allocation. Top ranks (~100) get IAS, followed by IPS, IFS, and other services based on preference and availability.