Section 7. In section 21 of the principal Act,

17. In section 21 of the principal Act,— (a) in sub-section (2), for the words "class of drugs", the words "classes of drugs or cosmetics or classes of cosmetics", shall be substituted; (b) in sub-section (3), for the words "in the manufacture, import or sale of drugs", the words "in the import, manufacture or sale of drugs or cosmetics" shall be substituted. Amendment of section 21.