Section 2(2)(l) in The Warehousing (Development and Regulation) Registration of Warehouses Rules, 2017
(l)"relative" means a person who bears any of the following relationships with an individual, if, -(i)he is a member of the same Hindu Undivided Family;(ii)they are husband or wife;(iii)related by affinity or consanguinity within the specified degree as determined under any law for the time being in force, or individuals in a step or adoptive relationship within such specified degree;