Class 12-Commerce

English (core) i.e. compulsory in any CBSE school.
Accountancy
Business Studies
Economics
Mathematics
One Language paper i.e. Hindi or English (selective)
Physical Education (not compulsory)

Dear,
According to your statement, here are a few options:
BBA- International Business, Finance, Marketing
Psychology
International Studies
Economics (Hons.)
Apart from this programme, you can think of these fields:
Journalism
English (Hons.)
Foreign Language
Social Work
Anthropology
Philosophy
Sociology
So choose the field according to your caliber and interest.
All the best.

Hi,
Everything depends on your interest. You may go with B.Com followed by CA or M.Com. BBA followed by MBA may be another option. If you are interested in IT domain BCA followed by MCA is also a good option. Go ahead based on your interest.

As you have completed 12th commerce with computer and you are interested in computer, it is better for you to go for BCA followed by MCA.

Details of 12 good courses to do after 12th commerce:
1 B.Com
2 Law
3 C.A. (Chartered Accountancy)
4 B.B.A.
5 Bachelor of Economics
6 C.S. (Company Secretary) course
7 Hospitality Diploma courses
8 Animation and Multimedia Courses
9 Journalism and Mass Communication
10 Event Management course
11 Fashion Design and Technology
12 Hotel Management
13 Bachelor of Statistics
14 Actuarial Science
15 C.M.A.

You're advised to opt BBA or B.Com course.

BBA is a course itself.
You should look for some entrance exam through which you can enter into a good college for the same.

Yes, you can go with B.Com and after that, you can go with your Masters.