NMDC has reduced prices of high grade iron ore (lumps) by Rs. 300 to Rs. 3,550 per tonne for the month of December 2018 from Rs 3,850 a tonne in November. The company has also cut the prices for iron ore fines, which are inferior grade ore, by Rs. 200 to Rs. 3,110 per tonne for December from Rs. 3,310 a tonne in November.