Edgars Billing me for a bogus Cell C contract

Since August 2015 (to date), Edgars has been billing me for a non-existenclothing Account at Edgars and do not have a Cell C contract anywhere. To my surprise they are deducting money every month. I have been to Edgars and their instore Cell C counter more than 5 times (Somerset West Mall Branch) to no avail. They keep deducting. I am so frustrated and I have decided not to use my Edgars Account until I have received the last penny illicitly taken from me. They once suspected that I might have had a previously running contract but I gave them evidence to show the contrary. In January, they said I might have agreed to a contract over the phone but they fail to produce voice recordings either.