(a) whether the Government has accorded approval for doubling and capacity expansion of 160 KM long Madurai-Vanchimaniyachi-Thoothukudi railway track, if so, the details and the present status thereof;
(b) whether the said project is progressing as per time schedule, if so, the details thereof including the funds allocated and utilized in this regard;
(c) if not, the reasons therefor along with the time and cost overrun; and
(d) the effective measures being taken by the Government to expedite the completion of the project without any further delay?