NTPC Ltd plans to spend about Rs 7,341 crore for setting up the second phase of Barh super thermal power project in Bihar. "The company has accorded the investment approval for Barh Super Thermal Power Project, Stage-II (2 X 660 MW) in Bihar at an appraised estimated current cost of Rs 7,341 crore,' it said in a filing to Bombay Stock Exchange. The first stage consisting of three units of 660 MW each is under implementation.