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)
Saurabh 1
Saket go through this, i hope it will help you.....In case of any doubt feel free to ask....https://www.google.com/url?sa=t&source=web&rct=j&url=https://m.youtube.com/watch%3Fv%3DciSA_bIFkxA&ved=2ahUKEwiX7NC6s-HtAhVI6XMBHaYfB8AQyCkwAHoECAMQAw&usg=AOvVaw25Hv-xbmr5izWLgzZmPb0_