B.Com

Your CAT score is on the lower side. May I know if you have any achievements in Sports, Academics, NCC, Performing Arts (not fine Arts), Social Work, Debate, MUN, Moot Court or NGO. If you have any of the above achievements then you may have a chance to get a call for WAT and PI.

You can check the eliliblity criteria Minimum 45% aggregate marks during graduation is allowed for SC/ST candidates of Haryana.
Bachelor's degree must have a minimum of three years of education after higher secondary education (10+2).valid CAT /MAT /CMAT /XAT
Cutoff is 60 and above

Chartered Accountant (CA)
Masters of Commerce (M.Com)
Masters of Business Administration (MBA in Finance)
Certified Management Accountant (CMA)
Chartered Financial Analyst (CFA)
US Certified Public Accounting (CPA)
Financial Risk Manager (FRM)
Association of Chartered Certified Accountants (ACCA).

For regular MBA you would need to clear CAT/MAT and minimum 50 %, hence you can opt for distance MBA.

Doing BBA is easier then B.Com but it also depends on the college which you are taking admission :) As some colleges believe in the quality of teaching in such colleges doing BBA will be easier then B.Com.

The Most Common Choices
Chartered Accountant (CA)
Masters of Commerce (M.Com)
Masters of Business Administration (MBA in Finance)
Certified Management Accountant (CMA)
Chartered Financial Analyst (CFA)
US Certified Public Accounting (CPA)
Financial Risk Manager (FRM)
Association of Chartered Certified Accountants (ACCA).

No, it is not compulsory to do B.Com for CA. One can enroll for CA (Chartered Accountant Course) just after completing his Plus two through CPT route ( Entrance exam for CA course).

You can also pursue courses like Chartered Accountancy along with your B.Com (honours. ). The course is similar to B.Com (H). The difference lies in the fact that you can specialize in a certain subjects in B.Com (H), but the B.Com (P) course gives you an overview of all those subjects taught in the honours course.

Both BBA and B.Com offer similar career Opportunity. If students are willing to do an MBA, then BBA might be the better option. But if the students interested to become a CA CS or CFA then B.Com will be a better option for students. BBA is a 3 year undergraduate degree level course.

Since getting into Iims is for a class which has millions of students, the average student is probably a 6 pointer. Well, 15% of IIM Calcutta Batch of 2019 are 6 pointers or worse. So, yes, IIM Calcutta has a lot of average students considering only academics. But, an average student cannot make it to IIM Calcutta.