54“Order of demolition of building – (1) Where any development or erection of a building has been commenced or is being carried on or has been completed in contravention of the Regional Plan, Master Plan or Zonal Development Plan or without the permission, approval or sanction referred to in sections 35, 36, 37 or in contravention of any conditions subject to which such permission, approval or sanction has been granted, any officer of the Authority empowered by it in this behalf may, in addition to prosecution that may be instituted under this Act, make an order briefly stating the reasons therefor directing that such erection or development work shall be removed by demolition, filling or otherwise by the owner thereof or by the person at those instance the erection or development work has been commenced or is being carried out or has been completed within a period of thirty days from the date on which a copy of the order of removal has been delivered to the owner or that person, as may be specified in the order, and on his failure to comply with the order, any officer of the Authority may remove or cause to be removed the erection or development work and the expenses of such removal shall be recovered from the owner or the person at whose instance the erection or development was commenced or was being carried out or was completed, as arrears of land revenue: