Student number 443416

I was given email adress to submit my assignments now it's returned saying that I must via courier but no adress given where to send it, when I try to call there's answering service saying that I need to send email to support of which I did still no feedback or reply I cc Katleho ho was helping me to register she is no longer responding me, but every month money gets deducted into my account, I need full refund so that I can go register where they provide me with service, pls help me