Poor service

I settled my African bank credit card early February, call in the call centre and requested dor the account to be closed which i recieved a confirmation ref num for Hello Ms Sebola. We are working on your account closure and will give you an update by 25/02/2020. Your reference number is ***. If you have any questions feel free to call us on ***or visit your nearest branch. African Bank Auth. FSP Reg NCRCP7638 RDC91017/16, how ever in the 28th February my account was debit, i called in and recieved a redund on the 2nd March after requesting to speak to a manager and the ref number is ***. On the 27th March guess what my account is debit the very same amount again. I am really disappointed by the level of service i have recieved from African bank. I want my money back today.