unauthorized debit order

<p>Altech nu pay, has been deducting money from my accout for the past six months(R1200- R1500 MONTHLY) . WENT TO dURBAN BRANCH TO REVERSE THE MONEY AND DO STOP ORDERS BUT THE BANK REFUSED TO ASSIST THHEY SAID I MUST CALL THE COMPANY THAT IS DEDUCTING MY MONEY. I AM A PENSIONER AND THIS IS MY PENSIONER MONEY. PLEASE ASSIST</p>