Accounting & Commerce

Yes, you can pursue MBA directly after qualify GMAT.

Yes, you can get admission.

There is no additional course which needs to be done along with B.Com to pursue MBA. You just need to prepare for MBA entrance exams. As you said, if you want to shine in the field you are dreaming about. You can take up a certificate and short-time distance courses in that and once you complete it, all that will be added to your resume. It will definitely fetch a job easily with a good pay scale.

Do you have any specific field of interest like Sales and Marketing, HR or Revenue Management?

Dear,
Commercial mathematics is very simple, you shouldn't worry about that. Now, taking into account the CBCS syllabus, mathematics is compulsory.

Definitely I would suggest you Acharya Bangalore B-School in terms of infrastructure, experienced faculty, industry exposure and placements.

You can study in Bangalore then in Mysore. It will be a good choice. It's because there are many businesses schools.