law: Companies Act, 1956
  Sec 74    -     Manner
  
  of reckoning fifth, eighth and tenth days in sections 72 and 73 
  In reckoning for the purposes of sections 72 and 73, the fifth
  
  day, or the eighth day, after another day, any intervening day which is a
  
  public holiday under the Negotiable Instruments Act, 1881 (26 of 1881), shall
  
  be disregarded, and if the fifth, or eighth day (as so reckoned) is itself such
  
  a public holiday, there shall for the said purposes be substituted the first
  
  day thereafter which is not such a holiday.