Hello Aspirant, The IIT JAM is the exam by which you can do the course of dual degree for M.Sc and Phd this is for who have a zeal to learn and grow in the field in which they have interest. If you qualify the exam then can take following programs-

1. M. Sc.

2. Joint M.Sc. – Ph.D. (Dual Degree)

3. Integrated Ph.D.

I hope this will help you.