[Resolved]  Tata Docomo — wrong billing and out going calls barreid from taa

i have tata docomo connection postpaid from 16 sep 2009 my unbilled increases becoz tech. fault of tatadocomo and i have to pay that amount finnally when bill is generated that unbilled amount doesn't show in my bill excess payment shows this kind of thing happened to me 2 times and they have barred my out going calls becoz of that i have always paid i want my excess payment back 1858 becoz this is postpaid connection not pre-paid cheating going ...:' telecomunication firms are cheating splz tata to get extra money from the customer plz help [protected] i can show all my bills to u