law: Payment of Bonus Act, 1965 
  20. Application of Act to establishments in public sector
  
  in certain cases 
   21  [(1)] If in any accounting year an establishment in public
  
  sector sells any goods produced or manufactured by it or renders any services,
  
  in competition with an establishment in private sector, and the income from
  
  such sale or services or both is not less than twenty per cent of the gross
  
  income of the establishment in public sector for that year, then, the
  
  provisions of this Act shall apply in relation to such establishment in public
  
  sector as they apply in relation to a like establishment in private sector.
   22  [(2) Save as otherwise provided in sub-section (1),
  
  nothing in this Act shall apply to the employees employed by any establishment
  
  in public sector.]