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)
Dhairya sharma
for phd i think u need above 55 and for integrated p.hd u need above 40 or 45 . this data can change according to the leval of exam.