TOP 10 UPSC OPTIONAL SUBJECTS TELEGRAM CHANNELS
1. Geography Optional Material, Videos & Class Notes
2. History Optional Material, Videos & Class Notes
3. Economics Optional Material, Videos & Class Notes
4. Public Administration Optional Material, Videos & Class Notes
5. Sociology Optional Material, Videos & Class Notes
6. Political Science Optional Material, Videos & Class Notes
7. Mathematics Optional Material, Videos & Class Notes
8. Physics Optional Material, Videos & Class Notes