Accounting & Commerce

Students with science stream in class 12th can do B.Com but arts students cannot pursue B.Com.

You should complete your B.Com first and then only pursue another course. This would help you in becoming an expert in a particular field.

CS is best because there are so much opportunities available out there. Vacancies are more. But, for CA no one could assure about its passing rate. For graduation, most of the universities are good. There is no difference.

1) MBA or PGDM.
2) Chartered accountancy.
3) Cost accountancy.
4) ACCA.
5) CS.
6) Banking.
7) Accountant.

Can you elaborate your query?

I would suggest you to opt for a career aptitude test. This will help you to gain an insight about your personality. You will be able to figure out the careers, which you may opt suitable to your personality.
These tests are not always accurate but they definitely provide you with some sort of guidance, which is helpful on deciding your career path. And a word of advice, don't worry and stay relaxed. Everything will be fine. Just give some time to yourself.

Company secretary course makes a great combination with LLB.

Each and every course has its own value. Particularly speaking for M.Com and MBA, they both are related to different fields. M.Com will help you to move towards a career in teaching after clearing the NET whereas MBA from a good institute will take you towards corporate sector. It depends upon your interest to make a choice between courses.