Hello Sofia John

Some of the best coaching academies in India for IIT Jam Mathematical Statistics are mentioned below

1. GATEIIT
2. Anand
3. Dips
4. Astral
5. Eduuncle
6. Pathfinder
7. Chemacademy
8. Gurukul classes

Kindly visit the mentioned below site for more tips and guidelines regarding how to prepare for JAM Mathematics paper.

h ttps://university.careers360.com/articles/how-prepare-jam-mathematics

Hope it helps you.