UPSC CSE Prelims Paper 2 CSAT Question Paper (October 10, 2021);
UPSC CSE Prelims 2021 CSAT (Paper 2) was conducted on October 10, 2021, as part of the Preliminary Examination, which consists of two papers: GS Paper 1 (merit-based) and CSAT (qualifying, 33% required). The exam follows a three-stage selection process: Prelims, Mains (9 descriptive papers), and Interview (Personality Test). CSAT included 80 MCQs on logical reasoning, analytical ability, quantitative aptitude, data interpretation, and reading comprehension, with 1/3rd negative marking. Candidates who qualified Prelims proceeded to the Mains stage, followed by the Interview for final selection.