(2)Subject to the provisions of sub-section (3), where in any trial of an offence under clause (b) of sub-section (1) for the consumption of an intoxicant, it is alleged that the accused person consumed liquor, and it is proved that the concentration of alcohol in the blood of the accused person is not less than 0.05 per cent weight in volume then the burden of proving that the liquor consumed was a medicinal or toilet preparation, or an antiseptic preparation or solution, or a flavouring extract, essence or syrup, containing alcohol, the consumption of which is not in contravention of the Act or any rules, regulations or orders made thereunder, shall be upon the accused person, and the Court shall in the absence of such proof presume the contrary.