1. This appeal is by the complainant against acquittal. The accused were prosecuted by the complainant (Food Inspector, Kottayam Municipality) under S.16(1) (a)(i) of the Prevention of Food Adulteration Act (shortly stated the Act) for selling adulterated cow's milk. 700 milli-litres of milk offered for sale by the accused's co-operative society was purchased by the complainant at 7-20 a.m. on 3-2-70 on payment of a price of 84 paise. It was then divided into three parts as required by the Rules and 16 drops of formalin were poured into each part and bottled. On analysis by the Public Analyst it was found that the milk contained 18% of added water. Milk fat found was 3.5% and milk solids-not-fat 6.9%. On further analysis by the Director of Central Food Laboratory, the result obtained was milk fat 5.0%, and milk solids-not-fat 8.2%. The Public Analyst as well as the Director of Central Food Laboratory have opined that the sample is adulterated. According to the Public Analyst the sample is adulterated, because it does not conform to the standard prescribed for cow's milk under the Prevention of Food Adulteration Rules, 1955 (shortly stated the Rules). The analyst is furt