In this Act, unless the context otherwise requires, (a) * * * * (b) "drug" includes (i) a medicine for the internal or external use of human beings or animals; (ii) any substance intended to be used for or in the diagnosis, cure, mitigation, treatment or prevention of disease in human beings or animals; (iii) any article, other than food, intended to affect or influence in any way the structure or any 784 organic function of the body of human beings or animals; (iv) any article intended for use as a component of any medicine, substance or article, referred to in sub clauses (i), (ii) and (iii)." The learned Magistrate as well as the High Court have taken the view that the advertisement in question; refers to a drug as defined by section 2(b) (ii) above as "machines of science" are a "substance" intended to be used in the diagnosis, cure or treatment of diseases in human beings.