Sales & Marketing

MARC isn't much on social media or believe in unnecessary marketing/branding. They are though specific to providing quality education and guaranteed placements. To answer your question there are umpteen opportunities for marketing jobs.

Yes, you can go for further studies. 1-year Masters course in management will be a good option. If possible, try for 1-year Masters from any good foreign university.

You can start your own business online through an app or website. There are many paid and free apps where you can create your own website. Paid ones will offer you more services than free ones. GoDaddy is one such example. All you need is a good business idea. You can sell any goods produced from scratch or any services. You can do marketing on Facebook and other social networking sites. A good web page on these sites showing all the relevant information about your business will be a good way. More the views for your page and site better it is.

https://www.shiksha.com/mba/ranking/top-mba-colleges-in-india/2-2-0-0-0
The link contains top colleges in India for MBA along with their fees, ranking, eligibility criteria, etc.

You should follow what your heart is saying, as you have handsome amount of work experience in a promising sector.
If I were in your place, I would take finance.

No, you won't be having these subjects in 2nd year of MBA with specialization in marketing.

The eligibility criteria for PGDM is graduation in any stream with 50% marks. Last year students can also apply for the course. You should have cleared CAT or MAT exam for admission.

Hi,
Placement percentage is never the same. It depends on companies coming to the college.
Placements (as provided by college)
Companies where students got placed
Airtel HCL Idea Cellular Services Indian Army Infosys ITC Reliance Wipro

You need to improve your communication skills. You need to read more and more books, articles and try to interact with a large group of people. Interact with others in English. Communication and Marketing is all about English Communication, as you need to convince people and if they are not able to understand you than you can't do anything.