Dear Student,

It can not be said like a best P.Hd course, as per your educational background you have to study.

Here I am giving you a list of P.Hd colleges for engineering and sciences.( But ,if you are from other background then please ask me that.)

1. Indian Institute Of Sciences. (IISc)
2. Indian Institute of Technology. (IITs)
3. Tata Institute of Fundamental Research(TIFR)
4. Chennai Mathematical Institute. (CMI)
5. Indian Statistical Institute Kolkata . (ISI)
6. Hyderabad Central University (HCU)
7. Jawaharlal Nehru University. (JNU)

Thyank You.