Hello,

Yes you should have to apply and appear for GATE examination for the M.Tech programme, every M.Tech course required a valid gate score to take admission in NITS, IITS,IIITS, and other private institutions, across the country.

you can get more information from the below mentioned link,

https://www.careers360.com/courses/mtech-in-biotechnology,

Hope this will help you,

All the best !!