Hello Aspirant,
There are a lot of good books available that you can choose to read, but it depends on the time that you have for preparation.
So choose books like guide if you have less time to prepare, else the major one.
For further details, if you have any query you can even visit our website, where there is a detailed description which would be quite helpful for you.
https://university.careers360.com/articles/jnu-exam-pattern
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