Class 12-Commerce

I think you can't pursue Computer Science because it is a Science stream course. You can go for CA if you are interested in accounting ormay go for IIM if you are interested in management or business studies.
On the other hand, IAS is most difficult but if you are interested in extensive study and ar

http://www.nios.ac.in/online-course-material/secondary-courses/admission-detail-for-various-courses.aspx
You can get the information of courses from above link
and here is the list of universities and institution recognised by NIOS (Delhi):
IGNOU (Indira Gandhi National Open University)
University of

It depends on the course which you may opt after 12th commerce.

You have options of Eco honours, B.Com, BBA and BCA. Now you need to decide what is your interest.

6th subject is counted as an extra subject but you can reappear for it to increase your percentage. But for admissions 5 subjects are countable.

For a good career in commerce I will suggest you that pursue B.Com first with good marks. Then you can do MBA, M.Com, CA or CS.

Yes, you can do BCA after 12th. But for BCA maths is compulsory.

Yes, there are many such courses related to stock market. You can go to: http://nseindia.comand see the details. And Free Book on Art of Stock Investing in PDF. Google and get it
I hope this helps.

Commerce and computer generally not go together but here I listed some of them which you can do :
Tally rusted by many big companies and the Government to store and transfer financial statements. Cyber security courses are all about ensure safety of people and businesses online
web designing- making a

Being a B.Com student with specialisation in Accounting and Taxation I would like to suggest following job orientedcourses:
CCA+ - Certified Corporate AccountingCCP - Certified Corporate Professionals - Goods and Service Tax
GST is the most trending course today because of the need of accountants who