Ebpp passwod and username
User name and password is not working

Sir,

our telephone number is 25505635. before i paid telephone bills through ebpp system. but now the same password and user name is not working. If i am trying for opening the logine incorrect user name of password like that message is coming. I tried for opening one id, but An user have already this facility like that message is comeing. Then what is the next step i have to take. other wise which number i have to contact. please send reply to my mail

regards

chitrakumar

9886107150