Bad service & not keep to promises

I'm a Standard bank home owner since 2009 and i've reached a point where im beyond dissapointedl. i went on maternity leave in October 2014 where i could only pay my bond in October. i was in contact then with home loans department informing them of my situation and not knowing when i'll recieve my UIF payment. i asked the consultant who assisted me to please if possible can standard bank assist me for the next 3months due to my financial contraits seeing that i also just had a baby. i informed them that once i return back to work in feb i'll then pay my bond every month as usual. after recieve sms confirmation stating the arrears will be spread back into my bond i was relieved an happy. then the nighmare happened my 1st salary recieved on the 23rd they took Feb payment but on the 24th another deduction was taken without my consent leaving my acc in zero balance unable to pay my transport and daughters and not able to feed my kids and my 4month old baby. i've spoken to everyone then finally got help from Gregory who assist my well. he promised last week that they would refund me the amount back the weekend passed nothing then monday he said today stil nothing an no response til now