Chass is the word used for buttermilk in India. It is a traditional beverage in India. It is similar to lassi. Chass is considered to be a cool drink which keeps the body temperature down in summer. Chass is salted. We at PUNJAB SIND prepare chass out of curd; it is blended with several spices. It is manufactured under strict supervision of trained personal, packed in food grade packages. No preservatives are added. Salt is added to enhance the taste and has no effect as a preservative.