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)
Deb dulal halder Halder
this is primarily being used in the field of communication theory and sometimes also in the field of spoken English programme. but it is essential to understand the field of communication and also in conversation analysis