I HAVE PURCHASED 3GBSNL NET DEVICE HAVING NO..9422329389.I AM REGULAR BILL PAYMENT CUSTOMER. LAST MONTH BILL NO.906492555 PAID DATED 14-07-2011.BUT STILL PPP CONTROL PROTOCOL IS TERMINATED AND MU NET REMAINS OFFLINE SINCE LAST WEEK. PL. LOOK INTO THE MATTER AND DO NEEDFUL.