B.Com

Hi Kushagra,
Kindly write back with your interest area and career goal so that we can answer you aptly.

Yes, you are eligible for the admission.

CFA is the major qualification for investment banking.

In the last few years, B.Com has become one of the sought after course after 12th and a large number of students opt for it even if they have not studied commerce and accounts in class 12th. While the decision to take B.Com may be a good one for some, it may turn out to be another career mistake for

See, if you are not very sure of your career path then go for MBA in general in first year and then choose your specilastion in second year.

You can go for Certified financial planner by icfpi
or Certified Credit research analyst by CARE
Both are good courses but scope may depend upon Jobs available
These both can be completed in 5- 8 months depending upon your strength

Dear Shahabas,
There are various online courses available for advanced excel. Please find below a few links for your guidance:
1. https://www.udemy.com/advanced-microsoft-excel-2013-online-excel-course/
2. http://www.lynda.com/Excel-training-tutorials/192-0.html
3. http://chandoo.org/wp/excel-school/

As you have mentioned that you are doing B.Com Hons.
So, I will say that you should opt for MBA in finance from a reputed institute.
Since you are commerce student, you must be having good knowledge of finance.