The book 10 Previous Year Topic Wise UPSC Civil Services IAS Mains Solved Papers (2022 to 2013) consists of solutions to 10 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 subjects involved (different Papers). Each of the Parts is further divided into Topics as per the respective paper components & latest UPSC syllabus. The questions of all the 10 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 10 Comprehension, 38 Essays, 10 Précis and 500 Grammar Questions. Part 2 - Paper I (Essay) consists of 76 Essays written in adherence to the Word Limits. The essays are classified into various categories (Topics). Part 3 - Paper II contains 200 Questions of GS Paper 1 (20 in each year) divided into various Topics based on syllabus of GS 1. Part 4 - Paper III contains 200 Questions of GS Paper 2 (20 in each year) divided into various Topics based on syllabus of GS 2. Part 5 - Paper IV contains 200 Questions of GS Paper 3 (20 in each year) divided into various Topics based on syllabus of GS 3. Part 6 - Paper V contains 120 Questions of GS Paper 4 (12 in each year) 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.