Coal India 's Q1 2011 production surged 15.2 % to 136.9 million tonnes , with exports to power plants growing 15.4 % to 122.8 million tonnes . We have also requested the thermal power plants to perk up their coal stocks, the official said. Coal offtake increased 11.7 % to 153.4 million tonnes at the end of 2011 . Meanwhile , the number of coal - power plants with critical stock halved to 15 , the company said .
Coal India 's Q1 2011 production surged 15.2 % to 136.9 million tonnes , with exports to power plants growing 15.4 % to 122.8 million tonnes . Coal offtake increased 11.7 % to 153.4 million tonnes at the end of 2011 . Meanwhile , the number of coal - power plants with critical stock halved to 15 , the company said .