Lbsnaa Calling on Instagram: "UPSC CSE Preliminary Exam Syllabus. This is the syllabus for the first stage of the Civil Services Examination (CSE) conducted by the Union Public Service Commission (UPSC) in India. Exam Structure The preliminary examination consists of two objective-type papers, both conducted on the same day: Paper I: General Studies (GS) Covers a wide range of subjects including Current Events, History, Geography, Polity, Economy, Environment & Ecology, and General Science. Cons