Want to start call centre Biz in Punjab

sir,
iam a computer graduate and would like to start a call centre .. i would like to know the requirements for seting up a call centre .. as at present i have a 50 seat computer institute .. i would like to convert it into call centre.. and i request u to kindly help me in giving ,me the right suggestions and the reuired infrastructure needed to set up a call centre and i would also like to know the estimated value to setr up a call centre..iam based at hyderabad…
kindly mail me if any one has any suggestions …AND ANY NEW IDEAS…
I WOIULD LIKE TO THANK THIS CALL CENTRE FORUM WHICH IS REALLY HELPING PEOPLE LIKE ME TO KNOW MORE AND TO MAKE GOOD VENTURES IN THIS PARTICULAR FIELD…

thanking you ..
Milan S.cheema