Kulthi dal, also known as Horse Gram, is a highly nutritious, protein-rich legume (Macrotyloma uniflorum) popular in South Indian and Ayurvedic cooking, valued for its medicinal properties like aiding weight loss, managing diabetes, and preventing kidney stones. It\'s a dark brown pulse, often used in soups, rasam, and curries, and is a great source of fiber, iron, and calcium, often consumed boiled, sprouted, or as a meal.