Hello sahil. 

I would like to tell you that. 

Engineering physics - Bachelor of technology (B. Tech) (4 years program) is offered by the :

- IIT Hyderabad - 20 seats

- IIT Guhawati - 50 seats

Engineering physics - Bachelor of technology and Masters of technology dual degree ( B. Tech + M. Tech) ( 5 years program) is offered by :

-IIT BHU (Varanasi) - 20 seats.

Admission to these programs is made through the two tier examination called Joint entrance examination ( JEE ).

So I would like to prefer you to go for IIT BHU, as it offers dual degree in EP.

Hope this will help you!!

Good luck.