Mass Communication

You can refer to the link mentioned below:
http://goo.gl/iSIbrS

You can visit the link mentioned below:
http://www.hindustantimes.com/education/want-to-be-a-celebrity-manager/story-Yv5J3ISAq5M2HbQmaPftvL.html

You can check the below mentioned link for the courses:
http://www.vskills.in/certification/Event-Management-Certification?search=event

You may take admission in either JIMS or Apeejay Institute.

Yes, you can join the college as per your eligibility for the particular course.

Both has its own advantages and disadvantages, but it depends on you, what you want to do. BBA is more of management, whereas mass communication is about media. If you are extrovert in nature, public speaking and expressing your own view easily and you enjoy this, then you can go for mass communication.
If want to do BBA, which is all about management, then you can for it.

You can go for St. Xavier's college.