¹[9A. Adulterated drugs.-- For the purposes of this Chapter, a drug shall be deemed to be adulterated,--
         (a) if it consists, in whole or in part, of any filthy, putrid or decomposed substance; or
         (b) if it has been prepared, packed or stored under insanitary conditions whereby it may have been contaminated with filth or whereby it may have been rendered injurious to health;
         (c) if its container is composed in whole or in part, of any poisonous or deleterious substance which may render the contents injurious to hea lth; or
         (d) if it bears or contains, for purposes of colouring only, a colour other than one which is prescribed; or
         (e) if it contains any harmful or toxic substance which may render it injurious to health; or
         (f) if any substance has been mixed therewith so as to reduce its quality or strength.]