1. Where the State Government considers it necessary or expedient so to do, it may, by notification in the Official Gazette declare that blood plain Zoning shall be made in the manner hereinafter specified.
2. The State Government may direct that a survey be made of a river for the purpose of determining the limits within which the provisions of the Act are to.be applied and that proper charts arid registers be prepared specifying all boundaries and landmarks and any other matter necessary for the purpose of ascertaining such limits.
3. The State Government may by notification in the Official Gazette appoint the Collector of the District or such other Authority as the Government considers necessary, as the Flood Zoning Authority for the purposes of making a survey of the area as required under sub-section 2 and may specify in such notification, the duties to be discharged by such Authority.