Funds not credited into my account

There is a big ***** happening at Ithuba which need to be investigate , 15/02/2019 i made deposit of R150 but funds are not reflecting to this date, i called several times and emailed proof but no funds and my case is always put or resolved without my any reason or proof given . everytime i call in they change stories, I am fed up and there is no where i can escalate my complain, please assist where can i report ***** as i am not willing to loose my cash