JNU Application form is not announced yet but exam date is announced. You can check it by giving below link.

https://admissions.jnu.ac.in/Pdf/RevisedAdmissionsNotice_DG_Oct242018.pdf

You can also stay tuned with the official website or Careers360 to get the updated information for the application form.

https://university.careers360.com/articles/jnu-application-form

Good Luck!