excuses for not loading data

My Unisa student no ***0 cell no for data to be loaded is ***. ref no ***. I deposited R600.00 on 21/09/2015 for Unisa to activate 3gig data that is given to students. After numerous calls to cell c andvisiting the cell c branch in Sandton City and emailing Thobeka the proof of payment and confirmation from Unisa that payment has been received my data has still not been loaded. Please assist me in getting me the data I paid for as I will be writing in November and I need the data desperately.<br> Thanks