Hi Anand,

NIT's and IIT's offering B.Tech in Engineering Physics course are as follows:-

• Indian Institute of Technology Bombay
• Indian Institute of Technology Madras
• Indian Institute of Technology Delhi
• Indian Institute of Technology Roorkee
• Indian Institute of Technology Hyderabad
• National Institute of Technology Calicut
• Indian Institute of Technology Guwahati
• Indian Institute of Technology Mandi

Refer here for more info - https://engineering.careers360.com/colleges/list-of-be-btech-in-engineering-physics-colleges-in-india

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!