law: 150. Police force functioning in Delhi immediately before the commencement of this Act to be deemed to be police force constituted under this Act.-
  Without prejudice to the provisions contained in section 149,-
  (a) the police force functioning in Delhi immediately before the commencement of this Act (hereafter in this section referred to as the existing police force) shall, on such commencement, be deemed to be police force constituted under this Act and every member of the existing police force holding the office mentioned in column (1) of Schedule III, immediately before such commencement, shall be deemed to be appointed, on such commencement, to the office mentioned in the corresponding entry in column (2) of that Schedule;
  (b) all proceedings (including proceedings by way of investigations) pending before any police officer of the existing police force, immediately before the commencement of this Act shall on such commencement be deemed to be proceedings pending before him in his capacity as the holder of the office to which he is deemed to be appointed under clause (a) and shall be dealt with accordingly;
  (c) where any power or function which may be exercised or discharged under any law by a District Magistrate or Executive Magistrate immediately before the commencement of this Act has been conferred on the Commissioner of Police or any other police officer by or under this Act, all proceedings in relation to or arising from the exercise of such power or the discharge of such function pending immediately before such conferment before the District Magistrate, or the Executive Magistrate, as the case may be, shall, on the conferment of such power or function on the Commissioner of Police or other police officer stand transferred to the Commissioner of Police or other police officer, as the case may be, and the officer to whom such proceedings stand so transferred shall either proceed de novo or from the stage of such transfer.