law: Code of Criminal Procedure Act, 1973
  
  286.Execution of commissions.-
  Upon receipt of the commission, the Chief
  
  Metropolitan Magistrate or Chief Judicial Magistrate, or such Metropolitan or
  
  Judicial Magistrate as he may appoint in this behalf, shall summon the witness
  
  before him or proceed to the place where the witness is, and shall take down
  
  his evidence in the same manner, and may for this purpose exercise the same
  
  powers, as in trials of warrant-cases under this Code.