Some important book pdfs for upsc/pcs 👇👇👇👇👇 1. Environment - Shankar IAS Academy https://drive.google.com/file/d/0BxkQmyYIKVgATWpzVmJ4TUJWN2M/view?usp=sharing 2. Science and Technology - TMH Publication https://drive.google.com/folderview?id=0B-7pRR2ueeZTS1hZNXlsUVlqNUU&usp=sharing 3. Indian Economy - Key Concepts - Shankarganesh https://drive.google.com/file/d/0Bzf3Puazcx04OVJER3VWaVd1Qjg/view?usp=sharing 4. Indian Polity - Laxmikant https://drive.google.com/file/d/0BxkQmyYIKVgAbE1tNDJhZjZBZTQ/view?usp=sharing 5. Indian Economy - Ramesh Singh https://drive.google.com/file/d/0B-7pRR2ueeZTMzh4N2dtcTFic3c/view?usp=sharing 6. Geography - G C Leong https://drive.google.com/file/d/0Bzf3Puazcx04a3dDeDhJSlU0R0U/view?usp=sharing 7. Lucent - General Knowledge https://drive.google.com/file/d/0BxkQmyYIKVgAUWxzSUJLOTdGdEE/view?usp=sharing 8. IndiaN Foreign Policy - Rajiv Sikri https://drive.google.com/file/d/0BxkQmyYIKVgAV3A0U09IMThZUzQ/view?usp=sharing 9. Spectrum - Art and Culture ...