Prabhat Exam 31 Years UPSC IAS Prelims Solved Papers 2026 by Manish Ranjan GS Paper 1 and CSAT Paper 2 | 5000+ MCQs

Prabhat 31 Years UPSC IAS Prelims Solved Papers 2026 is a comprehensive and meticulously designed guide that brings together 31 years of solved question papers for GS Paper 1 and CSAT Paper 2, arranged in a topic-wise format for easy learning and in-depth practice. Containing 5000+ MCQs, this question bank provides complete coverage of all major subjects including History, Geography, Polity, Economy, Environment, Science and Technology, Current Affairs, Logical Reasoning, Quantitative Aptitude, and Reading Comprehension, presented with clear, accurate, and exam-oriented explanations. Each question is supported with detailed solutions, trend analysis, and conceptual clarity, helping aspirants understand the nature of UPSC questions, the evolving pattern of the exam, and the depth of understanding required to qualify. This book is ideal for candidates preparing for UPSC Civil Services Prelims, as it builds strong fundamentals, improves problem-solving skills, enhances conceptual understanding, and boosts confidence through extensive practice and chapter-wise revision. Designed strictly as per the latest UPSC pattern, this 31-year compilation serves as the ultimate practice companion for serious aspirants aiming to crack the UPSC Prelims with accuracy, speed, and confidence.