law: Code of Criminal Procedure Act, 1973
  
  301.Appearance by Public Prosecutors.-
  (1) The Public Prosecutor or Assistant Public
  
  Prosecutor in charge of a case may appear and plead without any written
  
  authority before any Court in which that case is under inquiry, trial or
  
  appeal.
  (2) If in any such case any private person 
  
  instructs a pleader to prosecute any person in any Court, the Public Prosecutor 
  
  or Assistant Public Prosecutor in charge of the case shall conduct the 
  
  prosecution, and the pleader so instructed shall act therein under the 
  
  directions of the Public Prosecutor or Assistant Public Prosecutor, and may, 
  
  with the permission of the Court, submit written arguments after the evidence is 
  
  closed in the case.