Degree

If you have to do specialization, then it is necessary to do MBBS and get a degree. Doctoral degree is the degree through which you can start your own hospital.

Top 10 Mass Communication Colleges in India are mentioned at the link provided below. In this article I have listed the best mass communication colleges as ranked by Outlook and India Today. International Institute of Management, Media and Information Technology is one of the best colleges for a course in mass communication, and is mentioned in this list.
https://www.shiksha.com/mass-communication-media/articles/top-10-mass-communication-colleges-in-india-blogId-13552

Hello dear,
There are such options like MBA in aviation management and M.Sc in aviation is available in India.

Yes, sure. You can complete Bachelor degree and if your JEE marks are not good, you can opt for SVET i.e university exam can obtain good marks to get the desired branch.

Nobody is allowed to do Ph.D. in any subject devoid of Masters degree. No university or institute can allow it.

Hello Vikash,No, as far as my information goes, the degree in engineering offered by this university is not recognised by AICTE.

Hi, Sanga
There are many courses you can pursue after B.Arch. Beside M.Arch you can join Bachelor of Design, Master of Design and Master of Design: Integrated Product Design, M.Des MDes-IPD
With above courses, you will able to enhance skills and many people take these courses after B.Arch. You can join these courses at Anant National University. For more details, you can check: http://anu.edu.in/
All the best!

Which stream are you from?
If you belong to the science stream, then LLB, pharmacy, engineering and medical are the best options. If you have opted for commerce stream, B.Com, CA, CS and BBM are the best options. After HSC in arts, BA and B.Ed along with government jobs should be preferred.