(a) the details of initiatives to upgrade the infrastructure of railways, specifically the railway tracks that are found to be damaged and unfit for regular use along with the progress made therein;
(b) whether the Government has put in place a structured plan to identify the railway zones that need urgent overhauling;
(c) if so, the details thereof;
(d) whether the Eastern Railways has been identified to be in urgent requirement of overhauling of railway tracks; and
(e) if so, the details thereof and the action being taken thereon?