Coal India Ltd (CIL) is a state owned coal mining Maharatna company. It is engaged in the production and sale of coal. It operates through approximately 82 mining areas spread over eight provincial states of India. It has approximately 430 mines, in which 227 are underground, 175 are opencast and 28 are mixed mines. It also operates approximately 15 coal washeries (including 12 coking coal and three non-coking coal) and manages other establishments like workshops, hospitals, among others. It serves sectors like power and steel, cement, fertilizer, brick and kilns...