Section 327(e) in Greater Hyderabad Municipal Corporation Act, 1955
(e)have such water-closet supplied by a supply cistern and flushing apparatus and fitted with a soil-pan or receiver and such other appliances of such materials, size and description as the Commissioner shall deem necessary; provided always that a cistern from which a water-closet is supplied shall not be used, or be connected with another cistern which is used, for supplying water for any other purpose.