Hello Aspirant,
If you are seeking the comparison from the view of placements then IIT Guwahati with M.Tech in Communication engineering will have slight higher edge because placement percentage and average package offered is little higher than that of M.Tech in RF and Microwave engineering. Average package offered in IIT Guwahati for the asked course is around 13 Lakhs for the asked course and average package offered in IIT Kharagpur is around 12 Lakhs for the asked course. So on the parameter of placement IIT Guwahati wins over IIT Kharagpur.
If we see from the point of campus and facilities then Being very old IIT, IIT Kharagpur has quite large campus of around 2100 acres and that of IIT Guwahati is around 705 acres.
Course fee is lesser for IIT Kharagpur than that of IIT Guwahati. You can check out detailed comparison from the link given below :-
https://www.careers360.com/compare-colleges?college=117-113-course=6292-5859
I hope this information helps you.
Good Luck!!
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