Damelin correspondence bad customer service

I was very happy to register with Damelin correspondence early this year and the lady by the name of Xoliswa Siphengane was very happy to assist me because she was after my money, I paid R8200 for registration I am still waiting for my study materials till today. No one is answering their phones she is also not responding to my emails. I asked for refund the service is bad and frustrating