Commerce

Hi,
Popular options after 12th commerce are
B.Com
BA Economics
Bachelors in Accounting and Finance
CA
CS
CFA
BA - LLB
BA
BA
BMS
Bachelor in Financial market
Actuarial Science
Insurance
Journalism
Event Management
Hospitality etc

Well, true to some extent. But, the way questions are framed and tested is difficult in CA. Class 12th concepts will help you for sure, but you need to practice CA test like CA TEST not class 12th.

B.Com and B.Com (Hons.) are two different courses.
B.Com has low cut-off then B.Com (Hons.), and no conditions of being student in maths.
Yes, you can get in B.Com course at 88 % in south campus and out of campus colleges.

You have monopoly of trade. So, you can pursue B.Com or B.Com (Hons.) After completing this, you can either do CA or you can qualify CAT and pursue a career in MBA.

There are many good courses you can look for after 12th commerce-
Finance
Accounting
Law
Taxation
Auditing
Management
Investing
Insurance
Retail/Investment Banking
You can go for B.Com after 12th and than MBA-Finance to get into top organisations.

First of all, you did not mention your stream in class 12th. Keep that aside, I would suggest you not to go back and waste two more years. Prepare for mathematics and clear your compartment exam good luck.

Yes, Student with Mathematics in class 12th (Science) are eligible for B.Sc (Computer Science) admission.

If you have completed class 12th in science stream with Mathematics, in that case you will get admission for B.Sc. (Computer Science).