JSW Steel won Mysore Minerals block (9.7 mt reserves) with the final price offer of 95.2%; and MSPL won Sri HG Rangangouda block with a final price offer of 129.2%. Donimalai mine has an EC limit of 7 mt and 6 mt production capacity," analysts observed. The production halt, they say, could have larger implications as well with production disruption to the extent of 6 million tonnes per annum — which is Donimalai's annual production, potentially higher imports of iron ore and compromising of merchant mining in Karnataka. NMDC is India's single largest iron ore producer, currently producing about 30 mt of iron ore from three fully mechanised mines which includes the Donimalai mine. Earlier on Tuesday, the BSE Metal Index came under pressure, pulled down by the share price of NMDC.