(a) whether the Government has increased the maximum speed of a large number of trains plying in various parts of the country;
(b) if so, the details thereof, Zone-wise along with the increase in speed of trains covering Golden Quadrilateral-Golden Diagonal route;
(c) the funds spent to improve requisite upgradation of infrastructure to enhance maximum speed of the said trains during each of the last three years and the current year, Zone-wise;
(d) the number of complaints received by the Government for irregularities/corruption in utilization of the said funds during the said period along with the action taken/being taken on such complaints so far; and
(e) the other steps taken/being taken by the Government in this direction?