Billed for service that was not given

Around August I received a call from Telkom that they have a special on Huawei P smart I will get 500 free minutes and 1G data for the amount of 199.the phone was delivered with 4 sim card I dnt know why 4 sim card, I called Telkom to activate a sim couldn't get help on their call center, I went to Telkom store in Carnival mall to ask about this 4 sim card that are not working was told they can't locate where they come from, I receive an SMS from them about billing me went back to Carnival the sim cards were activate all 4 of them but no data no free minutes I disputed that and that why 4 are they going to bill for 4 sim they lodge a case for still no respond until today this was my case no:***8. On the 19 August I called their call center to help with my case still nothing was done, they just deducted 500 from my account but I have no data nor free minutes from that contract. Am still waiting for their respond an tell me which sim card is working