1Organic Toor dal or arhar dal is a rich source of protein, carbohydrates and fibre. This humble pulse facilitates meeting your daily demands of iron and calcium. Besides these, toor dal is an incredible source of folic acids which is essential for fetal growth and prevents the birth defects of the newborn. Toor dal also called pigeon pea dal or arhar dal is a part of Indian meals. It contains iron, folic acid, magnesium, calcium, vitamin B and potassium.