law: Minimum Wages Act, 1948
  5. Procedure for fixing and revising minimum
  
  wages 
  (1) In fixing minimum rates of wages in
  
  respect of any scheduled employment for the first time under this Act or in
  
  revising minimum rates of wages so fixed the appropriate government shall
  
  either –
  
  
  (a) appoint as many
  
  committees and sub-committees as it considers necessary to hold enquiries and
  
  advise it in respect of such fixation or revision as the case may be or
  (b) by notification in
  
  the Official Gazette publish its proposals for the information of persons
  
  likely to be affected thereby and specify a date not less than two months from
  
  the date of the notification on which the proposals will be taken into
  
  consideration.
  (2) After considering the advice of the
  
  committee or committee appointed under clause (a) of sub-section (1) or as the
  
  case may be all representations received by it before the date specified in the
  
  notification under clause (b) of that sub-section the appropriate government
  
  shall by notification in the Official Gazette fix or as the case may be revise
  
  the minimum rates of wages in respect of each scheduled employment and unless
  
  such notification otherwise provides it shall come into force on the expiry of
  
  three months from the date of its issue :
  Provided  that where the appropriate government
  
  proposes to revise the minimum rates of wages by the mode specified in clause
  
  (b) of sub-section (1) the appropriate government shall consult the Advisory
  
  Board also.