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)
Mayank vedwal Vedwal
No it is not necessary that u have maths and physics in bsc for doing msc in geology. Even in iits eligibility criteria is that u have studied maths in your inter level (12 class) and geology as one of your subject in bsc.