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)
Aparna 1
Some topics on which questions are mostly asked in NET - 1. Set Theory 2. Propositional Logic 3. Inclusion -Exclusion Principle 4. Graphs 5. Linear Programming Problems