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)
Rahul kumar Best Answer
If you are unable to understand crystal classes and HM symbol then you should clear the basics first. Be aware of different symbols and concepts used in Crystallography. You can refer to the mineralogy book by Dexter Perkins and for 3D visualisation, you can also see videos available on the YouTube. It will become very easy for you to understand after going through the basics thoroughly. You can also post your questions and comments on Eduncle app and we will help you out. Don't hesitate to ask if you have any further queries related to this topic. Hope this helps !!