RAIN NOT REFUNDING MONEY

RAIN ACTIVATED MY SIMCARD 1 WEEK AFTER PURCHASE I COULD NOT WAIT 1 WEEK TO HAVE INTERNET, SO I HAD TO OBTAIN THE SERVICES OF ANOTHER SERVICE PROVIDER I CANCELLED MY RAIN SIM CARD BEFORE 7 DAYS OF PURCHASE THEY STILL HAVE NOT REFUNDED MY R479.00 AFTER 2 WEEKS - AS THEY SAY THEY WOULD IF YOU CANCEL WITHIN 7 DAYS RAIN- WHEN WILL MY R479.00 BE REFUNDED TO MY ACCOUNT????????????????