Hello!

These are some of best universities where you can do your PhD:

1. University of Delhi
2. Jawaharlal Nehru University
3. Banaras Hindu University
4. Jamia Milia Islamia
5. Tezpur University
6. Aligarh Muslim University
7. Assam University
8. Visva Bharati University
9. University of Hyderabad
10. North-Eastern Hill University

Hope this information will help you. Thank you.

Hello aspirant

PhD is Doctor of philosophy .

Best government colleges offering phD in chemistry abd Environmental Science are mentioned below

Yashwantrao Chauhan open  University of Maharashtra mumbai.

KTHM college , Nashik

Amity university,  Noida

Parul university

Gurunanak Dev university , Amritsar

Indian Institute of Sciences,  Bangalore

Kuvempu university , Shivamoga

Vidyasagar university,  Bangalore

Banaras Hindu university , Varanasi

Panjab university , Chandigarh

Bharti vidyapeeth , pune, maharshtra