dont know where to report

i really dont know what's going on with nsfas coz i've settled my account and they continued to debit my bank account for two months, they do not want to pay me back and it's more than a year now. i called the call centre many times that it has cost me a lot of money now. they always tell me that the system shows that i'm going to be payed.<br> id ***<br> malomane/ngoatle charity