Toor dal (also known as Arhar or pigeon pea) is a lentil that is yellow in colour and round or oval in shape. If you are a vegetarian, this dal is one of the prime sources of protein and essential nutrients that should be a part of your daily diet. Toor dal is rich in fibre that helps in relieving constipation. It is also a good source of phosphorus that helps maintain bone health. Regular consumption of this dal helps in fighting anaemia and keeps obesity at bay.