law: Payment of Bonus Act, 1965 
  13. Proportionate deduction in bonus in
  
  certain cases 
  
  Where an employee has not worked for all the working days in an
  
  accounting year, the minimum bonus of one hundred rupees or, as the case may
  
  be, of sixty rupees, if such bonus is higher than 8.33 per cent of his salary
  
  or wage of the days he has worked in that accounting year, shall be
  
  proportionately reduced.]