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
yes, they are important . they are not just important for mp but they will help u in other parts of physics too.. read these chapters patiently..
u can ask .
for any help regarding these chapters
best regards..