Still debiting me after cancelling my contract

I cancelled my contract on 19 September by sending their cancellation form to ********** as per the form. I heard nothing so I followed up on 25 October and they said the line was still active. I resent the cancellation form to Londiwe Sokhela in the call center. Telkom debited me even though I had requested the cancellation more 1 month prior. Again, I heard nothing so I called the call center again on 9 November and spoke to Lindiwe Constance Malindi, who asked me to resend the cancellation form to her

Surprise Surprise nothings been done and Telkom continues to debit me AND then debits me 4 times my cancelled contract price! 30 November R349.00 8 December R899.48 9 December R349.00 I cant believe they think this is acceptable. The call center doesn't help and they just keep taking money that doesn't belong to them. ******* I'm sure!