Thanks for query

first of all go through the previous years question papers so you can get idea of level of questions here is where u can download them https://admissions.jnu.ac.in/searchquestionpaper.aspx secondly you need to make sure that you must have the knowledge about the syllabus and exam pattern . On the basis of your syllabus, design a proper time table in a manner that you will get the enough time for all the subjects. Time management plays a very important role in exam preparation .

Thank you