Hello,

Well you are eligible for IIT JAM and though there may be few questions related to maths but if you have basic understanding you will know it. But there are some institutes which may require Maths. So it is better you do a certificate course from an authentic site or any institute. But yes do not worry about your eligibility for the exam as you are eligible. And make sure you score good marks so that you will get the best college for your studies. All the best and do check out below link.

https://university.careers360.com/articles/jam/amp