To crack mass communication entrance exam one should do the following things :-

1. Read Newspaper thoroughly.
2. Choose the important news articles of national and world importance and cut it out and paste it in your note book at least for 30 days.
3. Rewrite them in your language.
4. Everyday read about one personality who is in news.
5. Watch or listen one news program like BBC namaskar Bharat or DNA.
6. Improve your vocabulary for this you can read Norman Lewis.

Best wishes. Thank you.