From the link (http://www.cseindia.org/content/adulterated-milk-what-indians-are-drinking http://www.cseindia.org/content/adulterated-milk-what-indian...) you p

From the link (http://www.cseindia.org/content/adulterated-milk-what-indians-are-drinking http://www.cseindia.org/content/adulterated-milk-what-indian...) you posted, at the bottom : "Water, most common adulterant Water turned out to be the most common adulterant in milk. It reduces the nutritional value of milk."