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)
Piyush pachauri
These are very helpful videos https://youtu.be/W4DEQlUR88k https://youtu.be/FfJtVvQtqTM
Piyush sir those videos have already been referred to me and I have watched them too