Hii Harshita!
Some of the colleges across India providing mass communication courses as per your preferences are-
* Xavier institute of communication, Mumbai
* Indian institute of journalism amd new media, Banglore
* St. Xaviers college, Mumbai
* Film and television institute of India, pune
* North eastern Hill University, Shillong
Etc., All the places of your preference are good to opt for mass communication course. Shillong as well is good for pursuing the course.
Hope this helps.
Good luck!