Yes, there is. First, you lodge a complaint with the National Human Rights Committee. You will need to go to their office personally with your QID. Once the case is lodged, they will contact your employer and try to sort out the matter. Should the matter remains unresolved, you may get advised to go to the Labour Office. Once you file a case with them, the Labour Court will decide the matter usually within two working days. Try avoiding the case reaching the Sharia Court as it takes some months before the Court can give its verdict.