Need assistance regarding my mom's rdp house in fleurhof that her application has been approved but no one has contacted her

My mother app**** for rdp house in fleurhof she was never contacted by anyone informing her about the status of the house.. She recently found out from HSS online that her application was approved but still not contacted..her name is Elizabeth sibongile nkabinde site no:block s81 unit 3..project no:G***4/1 area fleurhof. She has been waiting from 1996 now that shes finally approved there's issues please assist in this matter. My mom is a pensioner now to run around the department asking questions