Cancellation of agreements

hI<br> <br> I really have very little info but a substantial amount @ (902.00) is deducted each month from my mother' s cheque account @ NEDBANK<br> We have tried on numerous occasion to have these cancelled as the contracts expired 3 yrs ago but to no avail only verbal <br> <br> Can you please assist as a an added financial burden arose as she suffers from Alzheimers and we had to have her taken up in a home<br> <br> For reference her id is *** which was used by MTN to trace the account <br> <br> tHANKING YOU IN ANTICPATION