law: Code of Criminal Procedure Act, 1973
  32.Mode of conferring powers.-
  (1) In conferring powers under this Code, the
  
  High Court or the State Government, as the case may be, may, by order, empower
  
  persons specially by name or in virtue of their offices or classes of officials
  
  generally by their official titles.
  (2) Every such order shall take effect from the date on which it is
  
  communicated to the person so empowered.