Hey gouthami! 

Here are some of the good colleges which offer courses regarding bio technology.

IIT Delhi - btech and mtech in bio technology

Iit kharagpur - btech in biotechnology 

IIT roorke - btech in biotechnology

IIT guwahati - btech in biotechnology 

Ait - btech in industrial biotechnology

Vit Vellore - btech in biotechnology

Nit rourkela - btech in biotechnology engineering

Nsit - btech in biotechnology

Wish you all the best!