11. If any such sarai or any part thereof be taken down by virtue of the powers aforesaid, the Magistrate of the District may sell the materials thereof, or so much of the same as shall be taken down under the provisions of the last preceding section, and apply the proceeds of such sale in payment of the expenses incurred, and shall restore the over-plus (if any) arising from such sale to the owner of such sarai on demand, and may recover the deficiency (if any) as if the amount thereof were a penalty under this Act.