Section 3

Subject to the terms of any express grant made by or on behalf of the Ruler of a State, the entire property in and control of all rivers in any State is and shall be vested solely in the Ruler of such State; provided that in the case of lands held by the Government under grant or lease or reserved for a public purpose and maintained by a Government Department, such control may be exercised by the Head of such Department, under the direction of the State

Authority.