Rihand Dam is the largest multi-purpose project of Uttar Pradesh (UP), India. The dam was constructed on the river Rihand (Tributary of the Son River) near village Pipri in Sonbhadra district of UP [1]. In 1964, while inaugurating the Rihand Dam in Singrauli, the First Prime minister of India Jawaharlal Nehru promised to turn the region into the Switzerland of India [2] The concrete dam is 934 m long and 91 m high. The water is stored in Govind Ballabh Pant Sagar reservoir which spreads over an area of 130 sq. km. (466 sq. km when full) and collects 10,608 m cu m of water. Water from Rihand enter into the reservoir. The Rihand project has been completed in 1966 with total cost of 375 million rupees [1].