The book 9 Years UPSC Civil Services IAS Mains Topic-wise Solved Papers (2022 to 2013) consists of solutions to 9 IAS Mains Original Papers –  Qualifying Paper 1 (Compulsory English), Paper I (Essay), & Paper II - V (General Studies Papers 1 to 4). • The USP of the book is the division of the book into 6 Parts as per the 9 IAS Mains Papers.  • Each of the Parts is further divided into Topics as per the respective paper components & latest UPSC syllabus. The questions of all the 9 years are grouped under the respective Topics. Wherever required the Topics are further divided into Sub-topics. • Part 1 – Qualifying Paper 1 (Compulsory English) consists of 9 Comprehension, 36 Essays, 10 Précis and 450 Grammar Questions. • Part 2 - Paper I (Essay) consists of 68 Essays written in adherence to the Word Limits. The essays are classified into various categories (Topics). • Part 3 - Paper II contains 180 Questions of GS Paper 1 (20 in each of the 7 years) divided into various Topics based on syllabus of GS 1. • Part 4 - Paper III contains 180 Questions of GS Paper 2 (20 in each of the 7 years) divided into various Topics based on syllabus of GS 2. • Part 5 - Paper IV contains 180 Questions of GS Paper 3 (20 in each of the 7 years) divided into various Topics based on syllabus of GS 3. • Part 6 - Paper V contains 108 Questions of GS Paper 4 divided into various Topics based on syllabus of GS 4. • The solutions have been prepared after a thorough research and adhered to the Word Limit as suggested by UPSC for each question. • The detailed solutions are provided immediately after each question. • The book is also useful for all State PSC Exams.