Commerce

Dear,
That depends on your calibre and interest for the particular subject. Especially, only you can decide the stream whether it's commerce or science. Both the streams have a good scope.
All the best.

No, you can't. Commerce has a very good future scope. You should do B.Com.
Good luck.

Well, it depends upon your interest. Either you can opt M.Com or MBA in Finance. All depends upon you.

If you want to be an ethical hacker then you are advised to take science stream. You may plan to do B.Tech CSE/ IT or BCA-MCA or B.Sc CS/IT.

You can work as an actuarial or CA. Also, you can appear for government exams or make your career in the stock market.

You can go for BBA, B.Com (H), BCA and LLB. You can also go in the media field and pursue BJMC.
If you find interest in hotel management, you can also pursue that. You have a pretty good score in class 12th. So,you can also do Bachelor in a subject you like. If you want to go in teaching line, you ca

You have plenty of courses to pursue after 12th commerce like:
BBA
B.Com
Actuaries
Integreted Law
CA/CS/CFA
Mass Communication
Journalism
Business Analyst
and many more.
First thing, you have to do is identify your interest of subject or field and let us know for further guidance.
For getting good placement:
1

After 12th there are very few jobs available. You can join a BPO or work in a CA firm. You can also appear for government exams (clerk level).

If you want to learn about the commerce field then join a CA firm or if you want to do a job in the evening then you can join a BPO.

CMA, ACCA, CPA, MBA, M.Com are obvious options you can look for after B.Com.
Check the below link-
https://www.shiksha.com/accounting-commerce/articles/course-options-after-b-com-blogId-12939