Hey, Thank you for contacting us. The application form for Jawaharlal Nehru University and Banaras Hindu Univerity is not been finalized yet. They are both likely to release the form in the month of February, mid or end of the month. You will have to keep yourself updated from their official page. For Jaipur National University, the admission is open. You can apply it from their official page 

- http://admissions.jnujaipur.ac.in/

I hope this helped.

Best wishes.