law: Building and Other Construction Workers (Regulation of Employment and Conditions of Service) Act, 1996 
  
  55.Limitation of prosecutions.- 
  No court shall take cognizance of an offence
  
  punishable under this Act unless the complaint thereof is made within three
  
  months from the date on which the alleged commission of the offence came to the
  
  knowledge of the Director-General, the Chief Inspector, an office-bearer of a
  
  voluntary organization, or, as the case may be, an office-bearer of any
  
  concerned trade union.