Chhas Indian butter milkCommon Sanskrit shloka related to health and diet, which includes buttermilk, is: "भोजनान्ते पिबेत्तक्रं, वासरान्ते पिबेत्पयः, निशान्ते च पिबेद्वारि, त्रिभिर्रोगो न जायते". This translates to: "At the end of a meal, drink buttermilk; at the end of the day, drink milk; and at the end of the night (early morning), drink water. By these three, disease does not arise."According to Ayurveda, Curd at night is contraindicated. During night, curd is substituted with buttermilk.Indian Buttermilk is traditionally known as "Chhas""Indian Buttermilk" and "chaas" are essentially the same thing, referring to the thin, tangy liquid left over after butter