Call Center Setup

Hi, I’m a final yr Management Student from Mumbai, India, and am interested in setting up an international call center after i’m done with my course next yr. I would like to know the viability of such a project, how work is managed in a call center, the initial investment that i should be looking at and what kind of companies should i look up to for decent show up’s in business in future… Also please guide me about the ideal location to setup a call center, i had in mind in East India, Still suggest..Thanks.