Disha 31 Topic-wise UPSC Civil Services IAS Prelims Previous Year Solved Papers 1 & 2 (1995 - 2025) by Mrunal Patel 16th Edition | General Studies & Aptitude (CSAT) PYQs Question Bank for 2026 Exam

Disha Publication is back with the latest 16th Edition of India’s No.1 Bestselling Solved Papers written by popular IAS Faculty Mrunal Patel, with Flawless Solutions to Conquer IAS Prelims 2026! The thoroughly Revised and Updated 16th Edition (2 color) of Disha's BESTSELLER "31 Topic-wise UPSC Civil Services IAS Prelims Previous Years Solved Papers 1 & 2 (1995–2025) PYQs Question Bank by Mrunal Patel" is a must-have UPSC book for every aspirant. It consists of the past 31 years UPSC prelims previous year solved papers of the General Studies Paper 1 & CSAT Aptitude Paper 2, organized into 8 Units and 52 Topics.

This latest UPSC Book 2026 edition includes:

• Strategy Video, Toppers’ Preparation Strategy, Notes & Sources for select questions.

• Exclusive & unique Inputs, Tips, and Articles in Part I.

The book is divided into the following 4 parts:

Part I: Strategy & Planning Resources including Toppers Interviews.

• Includes IAS Planner to help aspirants plan their preparation for Prelims & Mains.

• Insights on understanding the UPSC exam and cracking strategies for both Prelims & Mains.

• Articles on “How to Attempt the IAS Mains Questions?”, “How to Approach the Economics Section?”, and “How to Write Essays for GS IV Mains Exam?”

Part II: General Studies (Paper 1) IAS Prelims Questions divided into 7 Units and 43 Topics.

• A total of 3650 MCQs with detailed solutions.

• Notes and Sources highlighted in many important questions.

• Ideal UPSC PYQ book for conceptual clarity.

Part III: Aptitude (Paper 2 - CSAT) IAS Prelims Questions categorized into 1 Unit and 9 Topics.

• Contains 1440 MCQs with thorough explanations.

• A valuable UPSC book for mastering CSAT.

Part IV: IAS Mains Unsolved Questions from General Studies Papers 1 – 4 (2013–2024), divided topic-wise.

• Also includes a list of essay topics from 1993–2024, divided into themes.

• Perfect resource for those seeking a reliable UPSC mains PYQ book.

Key Highlights:

• Flawless, errorless detailed solutions for every question, validated with the official UPSC answer key.

• A trusted and comprehensive UPSC Book 2026 resource for Prelims and Mains preparation.

• Authored by Mrunal Patel, renowned for his lucid explanations and strategic insights.

• This Disha Publication UPSC book, is known for high-quality and trusted by UPSC toppers.