(a) the number of unmanned crossings that are changed either in manned level crossing or replaced by building road over-bridges and low height subways during the last three years and the current year;
(b) whether projects related to construction of road over-bridges are taking more time to complete than the time estimated during sanctioning of the projects;
(c) if so, the details of such delayed projects, State/UT-wise including in Hapur and Meerut in Uttar Pradesh;
(d) the main reasons for delays and the steps being taken by the Government against the officials/authorities causing the delay in the completion of the projects; and
(e) the revised timeframe for completion of all the delayed projects related to over-bridge construction?