Central Government Act
Section 3(5) in The Essential Commodities Act, 1955
(5) An order made under this section shall,--
in the case of an order of a general nature or affecting a class of persons, be notified in the Official Gazette; and
in the case of an order directed to a specified individual be served on such individual--
by delivering or tendering it to that individual, or
if it cannot be so delivered or tendered, by affixing it on the outer door or some other conspicuous part of the premises in which that individual lives, and a written report thereof shall be prepared and witnessed by two persons living in the neighbourhood.