This book has been made to meet the requirements of candidates appearing in UPSC Civil Services Mains 2023. The volume covers topic-wise solutions of questions of General Studies Paper 1, 2, 3 and 4 that have been asked in the year 2021 and 2022, including Essay Writing part. The book also focuses on essay writing skills. This book has prepared to keep in mind the expectations of UPSC Mains aspirants. Having quality explanation and to-the-point solution, this is one of the best book available in market.