Reliance Power's 4,000Mw Sasan Ultra Mega Power Project .
WEBMay 7, 2015 · NEW DELHI: The coal ministry is considering a proposal to dealloe a surplus coal block attached to Reliance Power's 4,000Mw Sasan Ultra Mega Power Project (UMPP) and is working on modalities to cancel possible diversion of another four million tonnes per annum in the project's other two mines that are now operational.