Vodacom In-Correct billing and not refunding

<p>After being incorrectly billed by Vodacom and the monies deducted from my account. I logged a complaint and was told they would repay the money. After two weeks and numerous phone calls Vodacom has not yet paid the money back.</p> <p> </p> <p>Can Vodacom please respond and refund me on the incorrectly billed account?</p>