Section 139(5)(ii) in The Drugs and Cosmetics Rules, 1945
(ii)make arrangements with some institution approved by the licensing authority [under Part XV(A) of these rules] [Inserted by G.S.R. 1172, dated 23.8.1977 (w.e.f. 10.9.1977).] for such tests to be regularly carried out in this behalf by the institution.