CELL C DEBITED MY ACCOUNT 3 TIMES ON INCORRECT DAT

My husband was recently retrenched, cell c debit order was going off on his fnb acc, on the 31st january due to there be insufficient funds in his account i called cell c call centre to find out how much was in arrears on his line as well as to change the banking details to my absa account, the agent confirmed an amount of R258.60 i asked her about 3 times on the line if she is sure that is the amount she said she is sure i made payment on the 01/02 the line was opened only to be suspended 3 days later again, he then recieved an sms to say he still owes R329 BY THEN I WAS FRSUSTRATED BECAUSE IT WAS NOT OUR FAULT TEH AGENT GAVE TEH WRONG OUSTANDING BALANCE, MY DEBIT DATE IS ON THE 21 OF EACH MONTH AND ON THE FNB LINE IT WAS ON THE LAST DAY OF THE MONTH, CELL CDEBITS MY ABSA ACC ON THE 19 OF FEB THEN AGAIN ON THE 25/02/2016 THEN AGAIN ON THE 29/02/206, THE 25/02 THERE WAS FINDS IN TEH ACACOUNT CELL C RETREIVED THE MONEY WHY DID CELLC DEBIT MY ACCOUNT AGAIN ON THE 29/02, I CALLED IN THSI MORNING TEH TEAM LEADER PROMISED THEY WOUDL CALL ME BETWEEN 8 & 8:30 IT'S NOW HALF PART NINE CALL C IS PATHETIC AND I CANT WAIT FRO MY CONTRACTS TO EXPIRE THIS IS ******** SERVICE IS PATHETIC