Dear Aspirant,

Here is the list of some Govt/public colleges and Universities  that offers Ph.d in physics :

• IIT Bombay, Delhi , Kharagpur
• IISc Bangalore
• NIT Trichy
• Jadavpur University
• Calcutta University
• Delhi University
• IIEST Shibpur
• JMI , New Delhi and many more

You can also go for these well known private colleges listed below for pursuing Ph.d :

• BITS PILANI
• Manipal University, Jaipur
• CMR University ,Bangalore
• LPU , Jalandhar
• Techno India University,Kolkata and many more

To know more information about the  Ph.d in Physics program in these as well as other colleges , please refer to this link:

https://university.careers360.com/colleges/list-of-phd-in-physics-universities-in-india

Hope this helps !