University of Madras

You can check college details through the following link
https://www.shiksha.com/university/university-of-madras-unom-Chennai-23679

Hello,
This is the minimum eligibility required to do LLB.
Three-year LLB entrance exams: There is no upper age-limit for admission. However a candidate must be at least 17 years of age on the date of application. A graduation degree with 45% marks (40% for reserved category) is the basic qualification required.
All the best.

If the university is recognised by the UGC, then there won't be any issue with the validity of the course. So, only universities can offer MBA programmes. PGDM: A Post Graduate Diploma in Management (PGDM) is a Diploma course offered by the institutes that are recognised by the All India Council for Technical Education (AICTE) and which are autonomous and not affiliated to any university.

Hello,
In India where there are maximum Marketing & Sales Job available after MBA. Post-MBA in Marketing the next most domains are Finance, HR and Operations respectively. All the best. Feel free to contact me for any assistance.

Hello,
It depends on the College and most important the skills set you to acquire. All the best. Feel free to contact me for any assistance.

Yes, you can surely do MSc in Zoology, you have a good score in graduation.

Yes, you can apply for the course at Madras University, check their website for application details.

use this link to create an account and continue the admission process, if eligible an option to register yourself as a international student would come
http://online.ideunom.ac.in/newone/index.html
international student eligibility is a bit confusing, when it comes regional Universities. There's an option to contact to institution as well. Please talk to them to clarify any queries.

Yes, there is are good placement opportunities available for you.
After pursuing MA in Journalism and Communication, you can also apply for various competitive and entrance exams.
I would like to suggest, you appear for UGC NET Exam. As this is one of the best tests through which you can pursue your career as a researcher or teacher.

chances are very less.