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)
Priyanshu kumar
https://epgp.inflibnet.ac.in/Home/ViewSubject?catid=5 simun all these go through e pg pathshala page and download it from here..and if you have any doubt after reading then ask