Accounting & Commerce

Why do you feel that there will be a problem? B.Com is a good stream and there is a lot of scope after this.

MBA and M.Com will be the better options.

You need to have a graduate degree to pursue MBA. You can opt for either of the two streams. You need to focus on your studies and score well in them.

If you are interested in law field, then you can surely pursue LLB.

Yes, you are eligible for GNIIT course.

Below mentioned are some of the career options you can seek to get into share market industry:
1. Financial analyst
2. Trader
3. Regulatory compliance officer
4. Quantitative analyst
5. Portfolio manager

You can do a course in share market and become a stock broker. Some of the institutes to pursue the course are listed below:
1. Institute of Company Secretaries of India
2. Institute of Capital Market Development
3. All India Centre For Capital Market Studies
4. Mumbai Stock Exchange Training Institute
5. Institute of Financial and Investment Planning

You may refer to the link below:
https://www.shiksha.com/top-mass-communication-colleges-in-india-rankingpage-99-2-0-0-0

The company secretary is a good course, but it's a long-term course and can't be completed easily. You can pursue CMA (US). CMA is same as CS but it can be completed in the short period of time.