law: Prevention of Black Marketing and Maintenance of Supplies of Essential Commodities Act, 1980
  11. Procedure of Advisory Board
  (1) The Advisory Board shall, after considering the materials
  
  placed before it and, after calling for such further information as it may deem
  
  necessary from the appropriate government or from any person called for the
  
  purposes through the appropriate government or from the person concerned, and
  
  if, in any particular case, it considers it essential so to do or if the person
  
  concerned desires to be heard, after hearing him in person, submit its report,
  
  to the appropriate government within seven weeks from the date of detention of
  
  the person concerned.
  (2) The report of Advisory Board shall specify in separate part
  
  thereof the opinion of the Advisory Board as to whether or not there is
  
  sufficient cause for the detention of the person concerned.
  (3) When there is a difference of opinion among the members
  
  forming the Advisory Board, the opinion of the majority of such member shall be
  
  deemed to be the opinion of the Board.
  (4) Nothing in this section shall entitle any person against
  
  whom a detention order has been made to appear by any legal practitioner in any
  
  matter connected with the reference to the Advisory Board, and the proceedings
  
  of the Advisory Board, and its report, excepting that part of the report in
  
  which the opinion of the Advisory Board is specified, shall be confidential.