Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Abhishek singh
I will suggest you to watch videos by Rahul Verma. He is a IIT Bombay student. He is my senior in IITB. I am attaching the link for the same : https://www.youtube.com/playlist?list=PLHmyMP-Tx0-1cJ0STuQypFlCn0fqC5rM8
I know about this, but I needed help with calculus part