Section 21(2) in The Himachal Pradesh Land Revenue Act, 1953
(2)If service cannot be so made, or if acceptance of service so made is refused, the summons may be served by posting a copy thereof at the usual or last known place of residence of the person to whom it is addressed, or if that person does not reside in the district in which the Revenue Officer is employed and the case to which the summons relates has reference to land in that district, then by posting a copy of the summons on some conspicuous place in or near the estate wherein the land is situated.
