(a) whether there are reports of irregularities being committed by the officers of
Coal India Limited and its subsidiaries including Western Coal Fields Limited and South
Eastern Coalfields Limited by supplying underweight and inferior quality of coal to
users;
(b) if so, the details of such cases received by the Government during the last three
years and the current year, subsidiary-wise; and
(c) the action taken by the Government against the guilty officers in each case?