NMDC challenges Karnataka's demand for higher revenue from Donimalai mine
The court will hear the matter on January 10
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India had produced more than 200 mt of iron ore in 2010-11
India's biggest iron ore miner NMDC Ltd filed a case in a court in the southern state of Karnataka on Monday, objecting to the state government's demand for higher share in sale of iron ore, Rajender Kataria, the state mining secretary, told Reuters.