Is the date of form fill up announced by JNU ?

There is an Update in the previous answer I mistakenly Written It is difficult to Get Previous Years Question Paper but that's My fault I apologize You can get all Previous year question paper at the following Link:

https://admissions.jnu.ac.in/searchquestionpaper.aspx

If you are searching for Free online paper then it is a bit difficult but for your reference, I am providing a link from where You can get question paper Free, But you need to search in comments.

http://entrance-exam.net/forum/general-discussion/previous-10-years-question-papers-jnu-political-entrance-test-777270.html

Now if You can pay small fee the You can Buy digital version at the following link:

https://www.projectwisdomindia.in/2017/07/22/jnu-ma-political-science-jnuee-entrance-exam-old-question-papers/ 

If you want to but at Amazon go to the following link:

https://www.amazon.in/JNU-Chapterwise-Previous-Political-Science/dp/9351415813