Notwithstanding anything contained in sections 116 and 118, a District Magistrate or a Sub-Divisional Magistrate shall, on being so required by the Government, order any person responsible for any obstruction or encroachment or projection as specified in sections 116 and 118 to remove or alter such obstruction or encroachment or projection within a period of not less than forty-eight hours and on non-compliance the District Magistrate or the Sub-Divisional Magistrate as the case may be, shall remove such obstruction or encroachment or projection and realise the expenses, thereby incurred from the person concerned as fine in a Criminal Court:
     Provided that in case the person or persons responsible for such obstruction, encroachment or projection is or are not known or cannot be found the procedure laid down in section 117 shall be followed.