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)
Abhijeet Gaurav
No it's not required. Earlier till 2018 this rule was applicable but from 2019 it got scrapped. So you don't have to worry. Just prepare for the exam.