The company said that coal production from the Gare Palma mine in the central state of Chhattisgarh would support expansion of its Raigarh steel mill, also located in the same state, to 9.“The coal production from our captive coal mine is perfectly aligned with our expansion of the steel mill using domestic coal.6 million mt per year from 3.6 million mt at present.We aim to finance this expansion predominantly through internal accruals, ensuring a healthy balance sheet,” the statement said.