The company has produced 9.74 MT iron ore from its mines in Chhattisgarh and 5.91 MT from the mines in Karnataka, NMDC said in a filing to BSE.
NMDC also said it sold 17.61 MT iron ore during the said period.
Production and sales figures of iron ore are provisional, it added.
Last week, NMDC had slashed prices of higher grade iron (lumps) by Rs 100 to Rs 2,300 per tonne for October.
The miner also cut the prices for iron ore fines, which is inferior grade ore, by Rs 100 to Rs 2,060 per tonne for the current month.
The company is involved in the exploration of wide range of minerals, including iron ore, copper, rock phosphate, lime stone, dolomite, gypsum, bentonite, magnesite, diamond, tin, tungsten, graphite, beach sands etc.