Jawaharlal Nehru University

Yes, it is a good college for CSE.

Please refer the link to get previous year papers:https://www.shiksha.com/university/jawaharlal-nehru-university/exams/jnuee/question-papers.

You can get the last 10 years question papers from JNU campus. You may get it some book stores too but prepare yourself to reasoning, Reading comprehension, artificial language, Grammer, language & country culture that affect their language. You may go below link for important details (e-prospectus of JNU)
https://admissions.jnu.ac.in/Prospectus/JNUEE/HtmlPage.html.

Hi,
I think JNU has M.A. in Political Science, not B.A. Still, you can check the website once for the same.

Yes, you can easily get admission in JNTU Kakinada for CSE branch. So, all the best for your future.

https://www.google.co.in/amp/s/www.shiksha.com/humanities-social-sciences/languages/course/amp/m-a-in-hindi-jawaharlal-nehru-university-mehrauli-delhi-120713?espv=1
Hope this helps.

It may possible through correspondence in JNU.

Yes, you can apply for MA international relations. You need to score 50% in graduation and appear for the entrance test conducted by the university.

Yes, your rank is good enough to get admission in JNTU, Karimnagar for CSE. You will definitely get admission. You can try to get admission as you can get admission.
Good luck.