Hello Mayank

If you want the JNU questions  paper and there answers key you will find them in their official website 

• Go to the JNU website 
• Find for a Link for JNU CEE answers key
• Download it

If you don't  get it then some of JNU papers and answer key you can find it the below website

https://www.ctanujit.org/isi-msqe-exam.html

Hope this will help you 

Regards by Career360