law: Code of Criminal Procedure Act, 1973
  
  285.Commission to whom to be issued.-
  (1) If the witness is within the territories
  
  to which this Code extends, the commission shall be directed to the Chief
  
  Metropolitan Magistrate or Chief Judicial Magistrate, as the case may be,
  
  within whose local jurisdiction the witness is to be found.
  (2) If the witness is in India , but in a State or an
  
  area to which this Code does not extend, the commission shall be directed to
  
  such Court or officer as the Central Government may, by notification, specify
  
  in this behalf.
  (3) If the witness is in a country or place outside India and arrangements have
  
  been made by the Central Government with the Government of such country or
  
  place for taking the evidence of witnesses in relation to criminal matters, the
  
  commission shall be issued in such form, directed to such Court or officer, and
  
  sent to such authority for transmission, as the Central Government may, by
  
  notification, prescribe in this behalf.