law: Code of Criminal Procedure Act, 1973
  
  25.Assistant Public Prosecutors.-
  (1) The State Government shall appoint in
  
  every district one or more Assistant Public Prosecutors for conducting
  
  prosecutions in the Courts of Magistrates.
  (2) Save as otherwise provided in sub-section (3), no police officer shall be
  
  eligible to be appointed as an Assistant Public Prosecutor.
  (3) Where no Assistant Public Prosecutor is available for the purposes of any
  
  particular case, the District Magistrate may appoint any other person to be the
  
  Assistant Public Prosecutor in charge of that case:
  
  Provided that a police officer shall not be so appointed-
  (a) if he has taken any part in the
  
  investigation into the offence with respect to which the accused is being
  
  prosecuted; or
  (b) if he is below the rank of Inspector.