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)
Kalai
first try to list out the topics that your are confident about in the syllabus, then try to mark the topics which have mandatory questions by going through last few years questions paper.. then read remaining topics if time permits.. always try to solve questions which will help you to have confident in yourself and you can manage time properly.. try to have eduncle notes and question papers.. which might help you a lot in easy understanding the concepts