i completed mba in icfai national college, my ug is b.com, but i'm week in communication. my ambition is jone in uniform serveice dept as officer cader. can i became IPS or DSP and SI

You need to have a good command over English as this would be pretty important in your performance. The interview and examinations pertaining to civil services can be given in Vernacular languages also, but English is one of the most important aspect same as knowledge and self confidence