1. History
- "India's Struggle for Independence" by Bipan Chandra
- "A Brief History of Modern India" by Spectrum Publications
- "History of Medieval India" by Satish Chandra
- "NCERT Textbooks" for Ancient, Medieval, and Modern Indian History

2. Geography
- "Certificate Physical and Human Geography" by G.C. Leong
- "Oxford School Atlas" by Oxford University Press
- "NCERT Textbooks" for Geography

3. Indian Polity
- "Indian Polity" by M. Laxmikanth
- "Introduction to the Constitution of India" by D.D. Basu
- "NCERT Textbooks" for Political Science

4. Economy
- "Indian Economy" by Ramesh Singh
- "Economic Survey" by the Government of India
- "NCERT Textbooks" for Economics

5. General Science
- "NCERT Textbooks" for Physics, Chemistry, and Biology (Classes 6-10)
- "General Science" by Lucent's Publication

6. Current Affairs
- "The Hindu" or "Indian Express" newspapers
- "Yojana" and "Kurukshetra" magazines
- "Manorama Yearbook" or "India Yearbook" by Publications Division

7. Environment and Ecology
- "Environment" by Shankar IAS
- "NCERT Textbooks" for Environmental Studies (Classes 11-12)

8. Aptitude and Reasoning
- "Quantitative Aptitude" by R.S. Aggarwal
- "Verbal and Non-Verbal Reasoning" by R.S. Aggarwal



- Start early: Begin your preparation well in advance to cover all the subjects thoroughly.
- Understand the syllabus: Familiarize yourself with the UPSC syllabus and exam pattern to create a study plan.
- Make a study schedule: Allocate specific time slots for each subject and topic to ensure comprehensive coverage.
- Study from reliable sources: Stick to the recommended books and study materials to avoid confusion and misinformation.
- Take regular mock tests: Practice previous year question papers and mock tests to improve your time management and problem-solving skills.
- Stay updated with current affairs: Read newspapers, magazines, and online sources to stay updated on the latest national and international news.
- Revise regularly: Regular revision is crucial to reinforce your learning and retain information.
- Stay focused and motivated: Keep a positive mindset and stay motivated throughout your preparation journey.
- Seek guidance if needed: Join coaching institutes or seek guidance from experienced mentors to enhance your preparation.

Remember, the key to success in the UPSC prelims exam lies in consistent and disciplined preparation.