law: Indian Christian Marriage Act,1872 
  35. Copies of certificates to be
  
  entered and numbered
  Such copies shall be
  
  entered in order from the beginning to the end of the said book, and shall bear
  
  both the number of the certificate as copied, and also a number to be entered
  
  by the Marriage Registrar, indicating the number of the entry of the said copy
  
  in the said book, according to the order in which he receives each certificate