Top MSc Microbiology colleges in Kolkata (most of the colleges/universities offers internship at some research institutes, but getting campus placements isn't very much observed in case of Microbiology):

University College of Science, Technology and Agriculture, Kolkata

Bidhannagar College, Kolkata

Institute of Genetic Engineering, Kolkata

Vijaygarh Jyotish Ray College, Kolkata

Barrackpore Rastraguru Surendranath College, Barrackpore

For more information regarding Microbiology as a career consider the link below:

https://www.careers360.com/courses/msc-in-microbiology

I hope this helps. Wish you a great eve!