(a) the criteria laid down for replacement of coaches in the trains and the details of the incidents that have caused harm to the passengers due to its sub-standard quality and poor maintenance;
(b) whether the Railways have received representations from various quarters for the replacement of coaches during the last three years and the current year;
(c) if so, the details thereof along with the action taken to ensure that coaches are as per international safety standards;
(d) whether the Railways propose to procure coaches from private manufacturers; and
(e) if so, the details thereof including the manufacturers shortlisted for supply of coaches?