(a) the total length of National Highways (NHs) and the length out of which is two lane, four lane and six lane, State/UT-wise;
(b) the criteria/norms laid down by the Government for six laning of National Highways;
(c) whether the Government proposes to convert National Highways in the country into six lane including the stretch between Rajkot-Ahmedabad Highway;
(d) if so, the details thereof including the proposals received/approved by the Government for six laning of highways in the country, State/UT-wise; and
(e) the steps taken by the Government in this regard and the time by which various stretches of National Highways are likely to be converted into six lane?