The best college to get M.Tech degree will be National Institute Of Technology,Calicut (NIT CALICUT). It is also not so difficult to get admission in NIT Calicut. They are offering M.Tech degree for many branches including Electronics and Communication. I think the admission for this year's classes are already started. Contact the college for more details.
The campus of NIT CALICUT is top class. You will have every facilities there. It will be a pleasure to study in that college. Students will be coming from all over India. It will be a nice place to study for M.Tech course.