"Drug" includes—

(i) all medicines for internal or external use of human beings or animals, and all substances intended to be used for or in the treatment, mitigation or prevention of diseases in human beings or animals, not being medicines and substances exclusively used or prepared for use in accordance with the ayurvedic, unani, homoeopathic or biochemic system of medicine,

(ii) diagnostic, abortive and contraceptive substances, surgical ligatures, sutures, bandages, absorbent cotton, bacteriophages, adhesive plasters, gelatine capsules and antiseptic solutions,

(iii) such substances (other than food) intended to affect the structure or any function of the human body or intended to be used for the destruction of vermins or insects which cause disease in human beings or animals,

(iv) any substance, mentioned as monograph in any of the editions of the British Pharmacopoeia or the British Pharmaceutical Codex or the United States Pharmacopoeia or the National Formulary of the United States or the International Pharmacopoeia, whether alone or in combination with any substance exclusively used in the unani, ayurvedic, homoeopathic or biochemic system of medicine and intended to be used for any of the purposes mentioned in sub-clauses (i), (ii) and (iii), and

(v) any other substance which the Government may, by notification in the official Gazette, declare to be a "drug" for the purposes of this Act.

[See section 3(b), the Drugs Act,1940 (Act No. XXIII of 1940)].

"Drug" shall have the same meaning as in the Act34 and shall also include any substance exclusively used or prepared for use in accordance with the ayurvedic, unani and homeopathic or biochemic system of medicine.