Vodacom

I HAVE HAD MONEY TAKEN OUT MY BANK ACC, BY VODACOM, THEY CONFRIMED IT WAS AND TWO MONTHS LATER VODACOM HAS NOT PAID ME BACK MY MONEY, I KEEP EMAILING AND FAXING THEM TO SHOW THAT I WANT MY MONEY, BUT THEY KEEP TELLING ACCOUNTS IS GOING TO PAY ME . THEY MONEY FROM ME, BY DEBITNG MY ACCOUNT WITHOUT MY AUTHORISATION. I WANT MY MONEY.