UPSC STUDY MATERIAL
Pudukkottai, Tamil Nadu, India
1. Ancient history by ram sharan Sharma
2. Medieval history by satish Chandra
3. Modern history by Bipan Chandra
4. Arts and culture by Nitin Singhania
5. Byju’s World history
6. Byju’s Geography
7. Polity by Laxmikanth
8. Byju’s Governance ,society and social justice
9. Byju’s International relations and international organization
10. Byju’s Economy
11. Byju’s Science and technology
12. Environment by Erach Bharucha
13. Byju’s Internal security and disaster management
14. Ethics by Subba rao
15. CSAT -TMH
16. Atlas – orient black swan
17. IAS solved question paper ( prelims) – vishal publications