(a) whether the Railways have taken a note that a railway track had been constructed during British period from Kolkata to Karimganj via East Pakistan now situated in Bangladesh;
(b) if so, whether the said railway track is still operational;
(c) if so, the details thereof;
(d) whether Railways have any proposal to reduce the distance of journey through the said rail track;
(e) if so, the details thereof; and
(f) the steps taken by the Railways in this regard?