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)
Chandra prakash
It depends from subject to subject, but still if u can score 40 marks then u can be quite sure about iit, and yes u sure if u have rank 100 even upto 150 u get into iit Kanpur...
if you have any doubt plz ask