(a) whether during recent safety audits, it has been found that many hundreds of railway coaches have not been overhauled or serviced periodically;
(b) if so, the details thereof and whether the Government has allocated any funds for the periodic overhauling/servicing of railway coaches;
(c) if so, the details thereof and the action taken/being taken in this regard;
(d) the steps taken by the Government to replace the old, damaged and outdated rail coaches with new ones; and
(e) the details of the coaches replaced in the last three years, zone-wise?