Hello Rehan,

IIT JAM is an entrance exam conducted for the admission to the postgraduate programmes offered by IIT’s and IISc. Bangalore. It would be difficult to tell you exactly about the admission possibilities as cutoff varies every year depending on the various factors however you can check the previous year cutoff rank of each IIT to take an Idea about the admission with the given below link.

https://university.careers360.com/articles/jam-cutoff

Good Luck!