Telkom debiting account 3 months after cancelation

According too Telkom I still owe an outstanding amount of R1,062.31 on my account even thought my last amount should have gone off on the 11th of December as per one month notice period. The above amount was once again debited from my account the 1st of January 2016. Even though I went to your Centurion office on the 11th of November 2015 to cancel the line. It is now been 3 months, why is my account being debited for a service I am no longer using?<br> <br> I logged a dispute on the 5th of January 2015 (ref no. ***0) and was told the amount will reflect on my account the following month which it has not yet happened. I then logged another call to follow up on this on the 21st of January 2016 (ref no. ***5). I then received a call on the 4th of February informing me that the money will reflect in my account within 5 working days. It has now been almost 2 weeks. <br> <br> I phoned again today and logged another call with Rachel Ndlovu, and I was promised high and low that someone would get back to me today. But I am still waiting for said call.<br>