Best Books for UPSC IAS Prelims & Mains 2026

Preparing for an exam as vast and exhausting as the UPSC exam requires referring to the right study materials and planning a smart strategy. But in an information-driven age, the pursuit of genuine knowledge is much similar to looking for a needle in a haystack. Hence, it becomes very important to identify the right resources that will boost your UPSC preparation level. 

The following blog provides a list of the best study materials for both Prelims and Mains by Disha Publication to help students form the ideal and effective exam strategy. 

Best IAS Prelims Books 

Top General Studies I Books:

Top General Studies II Books: 

• Disha Crack UPSC CSAT 2026 Civil Services Aptitude Test

•  Disha UPSC Paper 2 CSAT 31 Topic-wise

Best IAS Mains Books 

Best Books for Essay Writing: 

• Mastering Essay and Answer Writing for UPSC Civil Services 

• 151 Essays for IAS/PCS

Other important books equipped with PYQs and mock tests are as follows: 

• 13 Topic-Wise IAS Mains Previous Year Questions 

• Disha 13 Year-wise UPSC Civil Services IAS Mains Essay Previous Year Solved Papers

Best Books for Optional Subjects

Other Important UPSC Reference Books

Besides the above-mentioned books, Disha Publication offers the following IAS Prelims and Mains study materials:  

• IAS Aniruddh Yadav Handwritten Notes with Toppers Shortcuts/ Tricks for UPSC & State PSC Civil Services for General Studies Paper 2 Prelim & Main Exams | Governance, Constitution, Indian Polity, Social Justice and International Relations

• IAS Aniruddh Yadav Handwritten Notes with Toppers Shortcuts/ Tricks for UPSC & State PSC Civil Services for General Studies Paper 3 Prelim & Main Exams | Economy, Environment, Security, Disaster Management, Science & Technology

• IAS Aniruddh Yadav Handwritten Notes with Toppers Shortcuts/ Tricks for UPSC & State PSC Civil Services for General Studies Paper 4 Prelim & Main Exams | Ethics & Integrity Aptitude

• Super 10 New Pattern MOCK TEST SERIES for UPSC Civil Services IAS Prelims General Studies Paper 1 - 6th Edition

• Super 10 MOCK TEST SERIES for UPSC Civil Services CSAT IAS Prelims General Studies Paper 2 - 3rd Edition

• 29 Previous Years UPSC Civil Services IAS Prelims Topic-wise Solved Papers 1 & 2 (1995 - 2023) 14th Edition | General Studies & Aptitude (CSAT) PYQs Question Bank

• Errorless 13 Previous Years UPSC Civil Services IAS Prelims Year-wise Solved Papers 1 & 2 (2023 - 11) 5th Edition | PYQs Question Bank

• Disha 31 Topic-wise UPSC Civil Services IAS Prelims Previous Year Solved Papers 1 & 2

• 11 Year-wise UPSC Civil Services IAS Mains English (Compulsory) Previous Year Solved Papers (2013 - 2023) 5th Edition | PYQs Question Bank | Precis, Comprehension, Essay Writing, Grammar

• NCERT Digest Series class (6-10) 

• Authentic NCERT Summary (Class 6 to 12) for UPSC & State PSC Civil Services & other Competitive Exams

FAQs 

Q1. Which are the best books for UPSC Prelims 2026?
Ans. The best UPSC Prelims books include subject-wise compendiums, NCERT summaries, and current affairs resources like Disha Quarterly Affairs. A balanced mix of conceptual clarity and MCQ practice is essential for success.

Q2. Are NCERT books enough for UPSC preparation?
Ans. NCERTs build a strong foundation for UPSC, especially for Prelims. However, they should be supplemented with advanced books, current affairs, and practice questions for comprehensive preparation.
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Q3. How many books should I refer to for UPSC preparation?
Ans. It’s advisable to limit your resources and revise them multiple times. Quality matters more than quantity—stick to 1–2 standard books per subject to avoid confusion and information overload.

Q4. Is Disha Publication good for UPSC preparation?
Ans. Yes, Disha Publication offers structured content, PYQs, and mock tests aligned with UPSC trends. Their compendiums and practice books are particularly helpful for revision and exam-orientated preparation.
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Q5. How much time should I dedicate to current affairs for UPSC?
Ans. Spend at least 1–2 hours daily on current affairs, including monthly compilations and revision. Consistency is key to linking current events with static subjects.