Accounting & Commerce

Not at all. But if you want to do it as an additional qualification, it can prove useful for placements. Some current students are pursuing it along with their PGDM.

Go for CA instead of CWA as both would require similar efforts but CA is well established profession than CWA. Also a CA can do most of the work of CWA but a CWA can't.

I think you also c ACCA course it is more simple than CA but value is more than CA

MBA is very costly now a days with comparatively very low returns and struggling career (if not from reputed colleges). After 3-4 years you will end up paying huge fees to college with a shity job in hand.
Better choose some professional courses if you academics is good or even if you can work hard. that will require very minimum fee but hard afforts and after that you will find yourself in a respected career.

it's best you opt for professional course like icwai , CA,CFA,CPA ,ACCA

chech it on shiskha.com only.
u l b provided wd all knds of information