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)
Ruby negi
yeah u can fill both exams even the fee will be little less when u fill more than 2subjects.. also shift for both Physics and chemistry is different...