Telkom in competence

Good day I'm very disappointed in Telkom customer care I paid a double bill of for my wireless WiFi and my phone on 2 November I send 6 consultants of Telkom proof of payment and the never attached the proof of payment so they can allocatey payment I'm still waiting for feedback from them I don't have WiFi or a a contract phone to use because of the customer care consultants in experience I want to cancel my contracts with Telkom in Witbank at Highveld mall my issue still not resolve where can I make a complain because it's already almost middle of the month so I will not pay a cent more