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)
Shreyasi majumdar 1 Best Answer
For physical spectroscopy, solve Banwell textbook questions and K.L kapoor solved examples. Apart from that, you can solve these questions https://drive.google.com/file/d/13SfHhT2XIDG1-3Y2oDpfdegy06UsjQAp/view?usp=drivesdk