Refund request

Good day, I paid DStv to reactivate my services but after the payment I still couldn't view my channels I called the same day I made a payment to deactivate my services because I couldn't view,They told me the payment is Reflecting however I need to send my bank statement and certified I'd copy.I sent my bank proof of account and certified I'd ,they confirmed it was received and I was told it can about 14 days to processed ,2months later I still haven't received my refund and everytime I call they keep on asking for the same documents I sent several times. Below is the message I received from DSTV Refund request of R152.90 has been successfully submitted for approval for customer number ***0. Kindly note that amount will take 7-14 working days to reflect.I am still waiting for the refund.Please assist me in getting my refund