Hi aspirant,

There are lots of universities and colleges who provide M. Sc. Zoology through the rank secured in JAM.

As IIT's doesn't provide M. Sc. in zoology you can choose courses like Bio-technology, Biological Sciences, etc.

IIT Colleges for biological sciences are:

IIT Kanpur

IIT Ahemdabad

IIT New Delhi

IIT Kharagpur

IIT Guwahati

You can visit the link below for top universities who provide M. Sc. Zoology,

https://university.careers360.com/colleges/list-of-zoology-universities-in-india

Best of luck....