A relative of mine who is an alumnus of NIT Jamshedpur and she has said that the institute is working on its boundaries to make them close. You can easily get into the premises of the institute. Even the locals do.
You will have to clear JEE to get into the Bachelors in technology. If you clear your GATE exams, you can get into M.Tech, PhD, and M.Sc. After you clear interviews, you can get jobs of technician, site engineer, etc.
Some requirements for admission are as follows:
It can be seen that JEE is very important for getting admission to NIT Jamshedpur. So clearing that exam with a decent rank is important.