The 2027 edition of General Studies ? Paper 2 (CSAT) has been carefully revised to reflect the latest UPSC Preliminary Examination pattern. Designed as a complete preparation resource, this edition offers well-structured and high-quality content, curated by experienced authors with deep expertise in the field. Each topic is presented in a clear and accessible manner, with practical guidance on how to approach and prepare for it. To aid understanding and practice, the book includes a wide range of multiple-choice questions, complete with answers and solutions. In addition, 15 Full-Length Mock Test Papers have been included to help aspirants assess their preparation, improve time management, and build exam-day confidence. This edition aims to serve not just as a study guide, but as a trusted companion in your CSAT preparation journey.