Hello Aman,
There is no any particular books or syllabus so it is advisable to revise what you have studied in your class 12th and apart from that you can go for sample and previous year papers as it will help you to know the difficulty level along with the paper pattern as well. You can download the sample papers with the given below link. http://bhuonline.in/old-qus-paper-entr.html
Good Luck!
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