Provided that before taking any such action the Authority shall ensure that standing crop or crops is not damaged.

Cancellation of permit or certificate of registration.- If the Authority is satisfied either on a reference made to it in this behalf or otherwise that,-

1. (a) the permit or certificate of registration has been obtained by fraud or mis- representation; or
2. (b) the holder of the permit or certificate of registration has without reasonable cause failed to comply with the conditions subject to which the permit or license and certificate of registration has been granted or has contravened any of the provisions of this Act or the rules made thereunder; or
3. (c) a situation has arisen which warrants limiting the use or extraction of groundwater;
4. (d) in case of drilling or drilling or digging agencies, who carries inferior quality of work either in drilling or installation of equipment including pipes and pumps; it may, without prejudice to any other penalty to which the holder of the permit or certificate of registration may be liable under this Act or any other law the authority may after giving the holder of permit or certificate of registration an opportunity of being heard, cancel the permit or certificate of registration as the case may be.