3. Section 64 of the principal Act is hereby amended in sub-section (1) of that section, by the substitution, for the definition of " drug " of the following definition: - ' " drug " includes any medicine for Internal or external use, and any substance intended for use in-
(i) the diagnosis, treatment, mitigation or prevention of any disease, disorder or abnormal physical state, or of any symptom thereof, pertaining to human beings or animals, and |
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(ii) restoring, correcting or modifying any organic function in a human being or an animal;', |
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