Hello,

For prepartion of JAM exam, you should basically focus on the topics you are studying in your graduation course. If you will keep your concepts clear then you will not have face much difficulty in clearing the exam.

You should know about the complete syllabus of the exam, Important topics asked in the exam, books to refer.

You can also refer to the link below to know about the preparation tips for JAM exam for your subject. You can refer to the subject which you are pursuing.

https://university.careers360.com/tags/jam-preparation-tips

Hope this helps. Good Luck!