B.A

B. A. Political Science
Is a best option you can do M.A Political Science for complete knowledge (not almost)
If you have good score then go through top college else study hard for few years and take some experience in Youth Politics

yes you can.but it demands a lot of self study and good fate

Priyanka if you are interested in Arts, you can change the stream. Also see to this, that what subjects you are interested in-take the subjects/ combinations that can help you in long run. Also, you must be having some thing in mind that made you think of changing from Science to Arts, keeping that as a goal choose your subjects wisely.
Better would be if you opt for hons.in some subject. There are many good universities where admissions are going on and with these marks you can manage admission in honours without the fear of high cutoff or merit list or deduction of a part of your percentage because you are from Science branch.

Ayoushi, doing BA is just not suffcient enough to be a Professor. After BA you will need to do MA and then perhaps PhD. And also you need to clear the UGC Net exam and stand in some merit in the list of applicants for the Professor's job.

Amin wani. you can go for MBA media management. there is a course which has got good openings too.
Deviprasad Goenka Management College Of Media Studies, Mumbai
SP Jain School of Global Management, Mumbai
National School of Journalism
Asian Academy of Film & Television
iPixio Animation College