We all know that IIT JAM is one of the prestigious exams of India which is conducted for admission in top IITs basically for post-graduation programs like MSc, MSc-PhD. Therefore, qualifying IIT JAM exam means you got a great opportunity for pursuing your PG from top colleges of India.
If we talk about scopes after qualifying IIT JAM Exam then it’s clear that you will get the chance to study in IITs or other top colleges, you have to complete your post graduation from there, obviously, you will get best learning experience since you are studying in top colleges.
After completion of your degree, more better opportunities will be open for you like you can get a job in top companies of the world, you can also work for top government companies for research and other qualified works etc.
Hope that helps.