law: Industrial Disputes Act, 1947
  7. Labor Courts
  
  
  (1) The appropriate government may, by notification in the
  
  Official Gazette, constitute one or more Labor Courts for the adjudication of
  
  industrial disputes relating to any matter specified in the Second Schedule and
  
  for performing such other functions as may be assigned to them under this Act.
  (2) A Labor Court shall consist of one
  
  person only to be appointed by the appropriate government.
  (3) A person shall not be, qualified for appointment as the
  
  presiding officer of a  Labor Court , unless-
   52  [(a) he is, or has been, a judge of a
  
  High Court; or
  (b) he has, for a period of not less than
  
  three years, been a District Judge or an Additional District Judge; or]
   53[* * *] 
   54  [(d) he has held any judicial office in
  
    India for not less than
  
  seven years; or
   54  [(e)] he has been the presiding officer
  
  of a Labor Court constituted under any Provincial Act or State Act for not less
  
  than five years.