Explanation:

 The total area of Rajasthan is 3,42,239 Sq. Km. Agriculture is the main occupation in Rajasthan. Agriculture production is mainly depends upon South-East monsoon rain. The process of weathering and disintegration coupled with sunb-shine and insolatuion demand for the need of irrigation in state. The irrigation facilities available are neither equally distributed in the state nor fully dependable. Chambal, Banas, Mahi and all other rivers add prosperity to this region.There is need of judicious implementation of minor, medium and major irrigation schemes.