law: Indian Christian Marriage Act,1872 
  80. Certified copy of entry in marriage
  
  register, etc., to be evidence
  Every certified copy,
  
  purporting to be signed by the person entrusted under this Act with the custody
  
  of any marriage-register or certificate, or duplicate, required to be kept or
  
  delivered under this Act, of any entry of a marriage in such register or of any
  
  such certificate or duplicate, shall be received as evidence of the marriage
  
  purporting to be so entered, or of the facts purporting to be so certified
  
  therein, without further proof of such register or certificate, or duplicate,
  
  or of any entry therein, respectively, or of such copy.