B.Com

Yes, CAT is accepted almost in all colleges. Apart from this, you need to have more than 50% in graduation.

https://www.google.co.in/amp/s/www.shiksha.com/accounting-commerce/articles/amp/course-options-after-b-com-blogId-12939?espv=1
Job opportunities:
1. Accountant
2. Tax Consultant
3. Human Resource
4. Banker
5. BPO/KPO
6. Auditor
8. Stock Broker
9. Lecturer
10. Export-Import Manager.

Hi Shalini!
Yes, you certainly can.

Hi Anutosh!
Test Syllabus-
General English (25% weightage)
Logical reasoning (25%)
Data interpretation (35%)
Basic general awareness (15%)
You can refer-
Quant Aptitude by Tata Magraw Hill
Competitive Examinations Tips, Techniques & Short-cut Methods by Guha Abhijit
R. S. Agarawal books on Verbal Reasoning
Business English and Communication by Clark or Days
More Powerful Vocabulary by Wilfred Funk and Norman Lewis
Apart from books, also spend time for magazines like Business & Management Chronicle by Chronicle Publications and Competition Success Review or even newspapers would help such as The Hindu, Economics Time or The Statesman.

Hi Gurman!
There is no doubt that IGNOU is much better than SOL. There are many reasons to choose IGNOU:
Best quality study material
It has assignment submission system which carry 30% weightage
It conducts term end exams twice in a year
Degree is accepted everywhere.

Hi Riviera!
Yes, you can pursue B.Com. For B.Com Honors, you need maths as a mandatory subject, but not for B.Com General. So you can definitely pursue B.Com.

Yes. If it is possible for you to drop, then you can because it is better to pursue a course in which you are interested rather than doing some other course.