No right acquired over Reserved Forests except as herein provided

No right of any description shall be acquired in or over a Reserved Forest except under a grant or contract in writing made by or on behalf of the Government or by or on behalf of some person in whom such right or the power to create such right was vested when the notification under section 19 was published or by succession from such person: Provided that no patta shall, without the previous sanction of the Government, be granted for any land included within a Reserved Forest and every patta granted without such sanction shall be null and void.