Section 2(2)(f) in The Warehousing (Development and Regulation) Registration of Warehouses Rules, 2017
(f)"external person" means a person, including an inspection agency, who is -(i)independent of the Authority;(ii)not an applicant or a warehouseman, or a relative or an affiliate of an applicant or a warehouseman; and(iii)assigned, by the Authority, the responsibility of performing any functions under these rules, regulations, guidelines or circulars made under the Act;