No feedback on exam timetable 1 week before exam

I am so fed up and can't even begin to explain the problems I have had with this institution. They were very responsive in the beginning when my fees were paid but as of the last 6 months I cannot get feedback. There are no responses on emails and the phones just rings. I have contacted Mahadi and Dean and no response. I have been trying to get my exam timetable for more than a month now. I called Tendani and he tried helping yesterday and vowed that's my timetable was to reach me at latest yesterday afternoon but still nothing. Exams are due to start next week! Before that I tried getting previous exam papers and paid for it and had to do several follow up calls and emails to get this emailed to me. Now my student number is invalid on their website. Seems all my information is just lost. I have brought this complaint here because maybe I would get a response from here. Also no marked assignments have been returned to me. I would not advise any prospective student to use this institution.