The Sardar Sarovar (Narmada) project is one of the largest river valley projects in the state of Gujarat, India. For this project, a dam of 128 m high and 1210 m long was constructed across the river Narmada. The underground power house complex comprised six pressure shafts, power house cavern with six turbine units with an installed capacity of 6 × 200 MW, six draft tube tunnels, collection pool and exit tunnels.