Chaas is a popular Indian beverage made from yogurt and spices. In various parts of India, it is known by different names. For instance, it is called "taak" in Gujarat, "moru" in Kerala, "majjiga" in Telugu, "mattha" in Punjabi, and "lassi" in some parts of North India. These names signify the different variations of chaas available across India and the cultural significance it holds. Apart from these regional differences, chaas is also known as buttermilk, sour milk, or curd water in some parts of the world. However, regardless of its name, chaas remains a refreshing and delicious drink that's enjoyed by many.