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)
Ashutosh singh
Dear student, the Q61 has incomplete data, there should have been 2-3 more datas regarding the optical rotation but, there isn't any. The question is incomplete. Anyways, I'm attaching an image for you to understand the whole concept of it. You can tell me the data in comment box if you have in any case.