Which river is called the 'Pital Nadi' (Brass River) in Rajasthan?

st river that flows entirely within Rajasthan. Option A (“Chambal”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Option C (“Luni”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Option D (“Mahi”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Therefore the correct option, index and explanation consistently identify Banas. The Banas River is sometimes called 'Pital Nadi' but more commonly known as the river that flows entirely within Rajasthan. The Banas originates from the Khamnor Hills of the Aravalli Range and joins the Chambal River in Rajasthan. It is the longest river that flows entirely within Rajasthan.