Hey, the registration form for the Jawaharlal Nehru University Entrance Exam is not released yet. The tentative dates for the release of the forms are at the end of February month. The entrance exam will be held in the month of May, according to the notice released by the university. In order to keep yourself updated you will need to check their official website regularly. For Jaipur National University the application is going on. You can go into the link to register yourself.
http://admissions.jnujaipur.ac.in/
I hope this helped.
Best wishes.
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