Dahi Puchka, also known as Dahi Puri or Dahi Batata Puri, is a popular Indian street food snack. It consists of crispy puris filled with a mixture of mashed potatoes, chickpeas, and tangy tamarind chutney, topped with yogurt, sev, and spices. This refreshing and flavorful snack is perfect for hot summer days and can be enjoyed as a light meal or as a party appetizer.