Upsc mains syllabus: Understand the complete UPSC syllabus

Understand the complete UPSC syllabus with Vision IAS. Detailed explanation of Prelims and Mains subjects, helping aspirants stay focused and aligned with the exam requirements. UPSC Mains Syllabus 2025, Optional Syllabus and Exam Pattern UPSC Mains Syllabus 2025 is covered here in detail Subject-wise for GS-I, GS-II, GS-III, GS-IV and Essay. Candidates can download UPSC Mains Syllabus 2025 PDF in this article. Download the latest UPSC Mains syllabus with comprehensive coverage of GS Paper 1 to 4, Essay, and Optional papers at Drishti IAS. UPSC CSE – Complete IAS Exam Syllabus for Prelims & Mains The UPSC Civil Services Examination (CSE) is one of India’s most prestigious and competitive exams. Conducted annually by the Union Public Service Commission, it aims to recruit candidates for top government posts like IAS, IPS, IFS, and IRS. Understanding the UPSC syllabus is the first step towards an effective preparation strategy. Scroll down for a comprehensive overview of the UPSC Prelims and Mains syllabus , including ...