What is a yogurt based drink from India called?

A yogurt-based drink from India is called "lassi." It is traditionally made by blending yogurt with water, spices, and sometimes fruit, resulting in a refreshing beverage. Lassi can be sweet or savory, with variations including mango lassi, which is made with ripe mangoes, and salty lassi, seasoned with spices. It is commonly enjoyed in Indian cuisine, especially during hot weather.