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)
Nitin meel
At first do study HC Verma and then you may read the coaching material ... which is also available for free
and you may also join coaching for jam physics
If you want suggestions regarding coaching or study material then reply back