No.engineering colleges offer b.tech in biotechnology

well you are in a state of confusion medical colleges do not provide B.tech in biotechnology 

there are many engineering colleges which provide B.tech in biotechnology

refer to these links for your help

https://targetstudy.com/colleges/btech-biotechnology-degree-colleges-in-india.html

https://collegedunia.com/courses/bachelor-of-technology-btech-biotechnology

IT contains enough information for your help