(a) whether there have been instances of irregularities and neglect of rules resulting in huge losses to the National
Mineral Development Corporation (NMDC);
(b) if so, the number of cases that have been reported during the last three years and the current year;
(c) the action taken by the Government against the erring officials of the NMDC and the contractors; and
(d) the corrective measures being taken by NMDC to prevent the recurrence of such incidents in future?