Hello Prashant,

First of all congratulations for clearing IIT JAM, but as per the stream of biological sciences is concerned, there are a very few IITs which have biological sciences, there is an equivalent competition for the same. Hence it is very difficult to get selected in any IIT for MSc. But i would like you to apply in different NITs and IISERs where there is a chance of getting selected based on your rank. According to the last year cut off, you can shortlist a couple of NITs, IISERs and appear for the counselling. Again i would say that the admission is completely unpredictable as it depends on the ranking, past cut off, students applied for the current year and many other factors. Still, it is worth trying.

Next thing you can do is apply for different central universities as well, you have to write a separate exam for that but chances of getting a good institute is all that matters. 

I hope this helps you. Good Luck!