Power to cancel permit.

(1) The Highway Authority, may cancel any permission granted under section 21, - (a) if any rent or charge is not duly paid; (b) if the purpose for which the permission was given has ceased to exist; (c) in the event of any breach by the holder of such permission of any terms or condition of such permission; (d) if the land on which such encroachment has been made is required for any public purpose or such encroachment is causing impediment or danger to traffic. (2) Where the permission has been cancelled under clause (b) or (d) of sub-section (1) any rent or charge paid in advance shall be refunded to the holder of such permission less that amount, if any, due to the State Government.