Section 173(1) in The Goa, Daman And Diu Land Revenue Code, 1968
(1)Subject to the provisions of this Code and the rules made thereunder, every notice under this Code may be served either by tendering or delivering a copy thereof, or sending such copy by post to the person on whom it is to be served, or his authorised agent or, if service in the manner aforesaid cannot be made, by affixing a copy thereof at his last known place of residence or at some place of public resort in the village in which the land to which the notice relates is situated.