No response from Multichoice

I was paying for a dstv account using a bank app where another account was paid by mistake.I tried to contact multichoice sametime on 01/01/2020 and consultant even confirmed that she can see the money.The money was deposited on Ref *** the amount of R450.00.i've sent all the documents that were needed including a proof of payment from my bank.Till today there is no response they even told me there is no number for their billing Department.i have the following query no's ***9,***6 and ***5.Please help me .Regards Miss Princess Buthelezi my cell no ***