DEDICATED interstate multi-purpose Sardar Sarovar Dam (Narmada dam project) at Kevadia, Gujarat to the nation. It is the highest dam ever built in India and second BIGGEST CONCRETE gravity dam in the world in TERMS of volume after Grand Coulee Dam in the USA. Its height was recently raised to 138.68 METRES, enabling usable water storage of 4.73 million. The dam length of 1.2 km and depth of 163 metres.