24. (1) Any person aggrieved by an order under this Ordinance may, within thirty days of the date of the order, prefer an appeal to- (a) the Deputy Controller, where such order has been passed by an Assistant Controller; (b) the Controller, where such order, not being an order passed in appeal under clause (a), has been passed by a Deputy Controller; (c) the prescribed appellate authority, where such order, not being an order passed in appeal under clause (b), has been passed by the Controller. (2) The Government may, of its own motion, or on the application of any owner or manager aggrieved by an order passed under sub section (i), within the prescribed time and in the prescribed manner, pass such order in relation thereto as it thinks fit: Provided that no order against an owner or a manager shall be made unless he has been given an opportunity of showing cause against it and of being heard.