(a) whether the cases of corruption, irregularities, connivance of officers
and contractors have come to light in the NTPC;
(b) the number of cases which have been investigated during the last three
years along with the action taken against those found guilty after the
investigation;
(c) the number of cases registered along with the number of cases in which
the investigation is going on; and
(d) the time by which the investigation is likely to be completed in the
lodged cases?