Accounting & Commerce

First, complete class 12th, and go for CA. And, also you can go for CA after B.Com.

Yes, You can do MBA. It will be good for you.

Yes.but second preferred

You can pursue both, MBA and M.Com simultaneously, in which one should be regular, and other should be through distance mode. But, it will be difficult for you to manage both the courses. Also, distance education modes are for only working professionals, and has very less value. MBA from a reputed B-Schools are considered good as for placements and career growth.

Register yourself by filling the online registration form of Delhi University and select the course.
Wait for the cutoffs to be released and take your admission in the college accordingly.

Hi,
For purpose of pursuing CA you need to register yourself with the ICAI which has its centers in every city. Also you need to appear for CPT as the first step towards CA. After which you will need to take up IPCC which is the level 2 in the process and thereupon clearing it you need to go through a training period of around 2 years and then you become eligible for CA final which has again 2 group of examination. Also, there is no university or college where from you may pursue the course. ICAI is the whole and sole body responsible for conducting CA courses in India.

If accountancy is your flavour, the CA and CWA are good, but if you wish to become a company secretary, then CS is good. You can also offer your consultancy services.