law: Indian Christian Marriage Act,1872 
  55. Certificates to be sent monthly to
  
  Registrar General
  The Marriage Registrar
  
  shall forthwith separate the certificate from the marriage-register-book and
  
  sent it, at the end of every month, to the 22[Registrar General of
  
  Births, Deaths and Marriages].
  Custody of register-book
  The Marriage Registrar
  
  shall kept safely the said register-book until it is filled, and shall then
  
  send it to the 22[Registrar General of Births, Deaths and
  
  Marriages], to be kept by him with the records of his office.