Hi

There are not many government colleges in kolkata where you can do msc in Biotechnology from. Here are some of them

Jadavpur University

Calcutta University

Some other institutes from where you can do msc in Biotechnology are:

St xaviers college

Sister nivedita University

Maulana abul kalam azad University of Technology

Amity university

Adamas University

Techno india University

Institute of genetic engineering

For more colleges visit:

https://university.careers360.com/colleges/list-of-msc-in-biotechnology-degree-colleges-in-west-bengal

hope this helps