Korba is a city in the central Indian state of Chhattisgarh. The city is the center of power in the state, meaning that it is the source from which people who live there get their energy supply. It contains major power companies such as NTPC and LENCO. Apart from power projects, it is the home of the most profiting coal mines in India namely DIPKA & GEVRA which are part of SECL (South Eastern Coalfields Limited).[source?] Vedanta group's presence is also felt through BALCO aluminium plant.