(a) whether there is any proposal under consideration of the Union Government to change the declared routes of Metro Rail in NCR of Delhi;
(b) if so, the reasons therefor;
(c) whether the Union Government has accorded approval for the construction of the changed routes;
(d) if so, the details of the changed routes;
(e) whether the documents regarding the proposed change in the routes for Metro Scheme have been submitted to the Union Government by the NCR States; and
(f) if so, the details of changed NCR routes and the reasons therefor?