non-service, fraud

Location/place: Tilak nagar, mumbai

Name of company/service: Info network Mgmt co.P.ltd, Call ezee

contract signed on 30/7/10 for sending bulk sms
No intimation, call received thereafter.
phone nos on contract note not operational
Inquiries with office is of no use, people are on leave, resigned, not in their place etc.
when I asked for refund they same that it is not possible