Wrong amount deducted

Vodacom deducted an amount already paid by me again I contacted them on 02 March for the first time and after holding on for 30 mins was told that it could take 7-14 days to be rectified I contacted them again on the 09 I told them that this is unacceptable as I do now not have enough money in my account for the rest of my debit order and therefore those will be dis- honored by the bank and I will have to pay the bank charges as well for their mistake.<br> I received and sms giving me the service reference number and saying someone will contact me within 2 days that never happened and after 7 days I contacted them again, now I had to send them proof of payment for the payment they acknowledged per sms the day it was made and that the first customer care center employee could see 1 week prior on their system, I send the proof of payment immediately and waited another 24 hours before contacting them AGAIN today i was told that my proof of payment was submitted yesterday and it can now take 7 WORKING days for them to pay my money back!!!! Seriously???? What happened with Vodacom I used to love them and recommended them to everybody. I have 3 cell phone contracts with them??????