law: Government Securities Act 2006
  16.
  
  Publication of notices in Official Gazette. -
  Any
  
  notice required to be given by the Bank under this Act may be served by post,
  
  but every such notice shall also be published by the Bank in the Official
  
  Gazette or the Official Gazette of a State, according as the notice relates to
  
  a Government security, issued by the Central Government or a State Government,
  
  and on such publication shall be deemed to have been delivered to all persons
  
  for whom it is intended.