hii rajesh,
there are two options, either you prepare on your own as JAM requires knowledge of B.Sc. maths as well or you should prepare for integrated Ph.D. and M.Tech. only.
Good luck...
Eligibility | Application | Admit Card | Result | Counselling | Exam Pattern | Question Paper
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile