(1)Any person who unauthorisedly takes or remains in possession of any land in areas constituted as reserved or protected forest under Section 20 or Section 29, as the case may be, may, without prejudice to any other action that may be taken against him under any other provision of this Act, be summarily ejected by order of a forest officer not below the rank of Divisional Forest Officer and any crop which may be standing on such land or any building or other work which he may have constructed thereon, if not removed by him within such time as such forest officer may fix, shall be liable to forfeiture :Provided that no order of ejectment under this sub-section shall be passed unless the person proposed to be ejected is given a reasonable opportunity of showing cause why such an order should not be passed.