Economics

You may apply for MA or MBA program.

There are many courses after class 12th. CA is the best example of this. You can also join MBA to start a business, BCA for computer application, BSW for social worker, and B.Sc in IT to make my career in IT industry

You can go for MBA. It will help you in long term career as well.

BA economics (Hons.) is mainly theoretical and B.Sc in economics have maths with economics. Both are good options. Your choice must depend on your interest.

MBA degree is very much in demand now-a-days. So, you must take up MBA.

"If you want to pursue your Masters in the field of economics, you can apply for MA (economics). This course is offered by a lot of colleges in India :
DSE Delhi, IMS Noida, Chaudhary Charan Singh University Meerut, Institute of Home Economics New Delhi & University of Petroleum and Energy Studies (UPES) Dehradun.
Among these UPES & DSE are top ones and in UPES, you can study specialised MA Economics course. It provides specialisation in Energy Economics."

You may find your answer on the below link:
https://arts.shiksha.com/ma-economics-colleges-in-india-categorypage-9-32-1298-0-0-1-1-2-none-1-0
Good luck.

After B.Com, you can prefer some professional course like CMA (US), which is related to finance, so you can get more knowledge and it can be completed within 8 months to 1 year and it has better scope all over the world.