law: Payment of Bonus Act, 1965 
  11. Payment of maximum bonus 
  (1) Where in respect of any accounting year referred to in section
  
  10, the allocable surplus exceeds the amount of minimum bonus payable to the
  
  employees under that section, the employer shall, in lieu of such minimum
  
  bonus, be bound to pay to every employee in respect of that accounting year
  
  bonus which shall be an amount in proportion to the salary or wages earned by
  
  the employee during the accounting year subject to a maximum of twenty per cent
  
  of such salary or wage.
  (2) In computing the allocable surplus under this section, the
  
  amount set on or the amount set off under the provisions of section 15 shall be
  
  taken into account in accordance with the provisions of that section.