I'm tired of fighting with Telkom,help me please!!

I have been struggling and struggling after I have upgraded one of my contracts. I have been over billed for the last two months. After I have visited the Telkom outlet in Woodlands Boulevard (which really is no help at all,just an empty shell of a building to distract customers I assure you) I have been told to withdraw the the debit order and Telkom will phone me to rectify the right amount owned. <br> <br> Well that was a lie and they deceived me and turned off my phone on the 18/11/2015. The overbilling issue has happened to a lot customers and is a fault on their behalf. The worst of it all I had to go in again and they just told me a consultant will phone me. Which of course they didn't. And is this going to be procedure every month?<br> <br> Ive had enough. This cant go on because my bread and butter consists of phoning people and they are really causing me a lot of damage. I would just like to be helped. PLEASE!!!!