law: Whistle Blowers Protection Act, 2011
  10. Competent Authority to take assistance of
  
  police authorities, etc., in certain cases.
  For the purpose of making discreet inquiry or obtaining
  
  information from the organisation concerned, the Competent Authority shall be
  
  authorised to take assistance of the Delhi Special Police Establishment or the
  
  police authorities, or any other authority as may be considered necessary, to
  
  render all assistance to complete the inquiry within the prescribed time
  
  pursuant to the disclosure received by the Competent Authority.