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)
Chandra prakash
https://www.google.com/search?client=ms-android-oppo&sxsrf=ALeKk018gD6bBh9210Qi7rHTC_MZIgYAdg%3A1606563232726&ei=oDXCX8rwK-jYz7sP8ImnsAo&q=what+is+boundary+conditions+in+electromagnetics&oq=what+is+boundary+condition+in+&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAEYAzIHCCMQyQMQJzICCAAyAggAMgQIABAKMgQIABAKMgQIABAKMgIIADIHCAAQFBCHAjoECAAQRzoGCAAQFhAeOggIABAWEAoQHlCdcliKfWDUjwFoAHABeACAAeUBiAGBCpIBBTAuNi4xmAEAoAEByAEIwAEB&sclient=mobile-gws-wiz-serp#