Bad company to work for

I have never worked for bad company like this one..i started working for tfg on 21 oct then on 18 nov i resigned i was told they will decduct R1060 on my salary because i did not work for a year at the company i did not have a problem with that i signed all the docue then on 29 nov was supposed to get my salary i received a notification my money was shrt by R1691 when i enquiy about that they told me that my line Manager Dennelize le Roux told them they must deduct one weeks money because i did not serve a notice and they never told me about that, u tried to call her she did not answer my calls