Section 16 of The 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.