(a) Whether the Railways have any proposal to upgrade more Shatabdi
trains as fastest trains on the lines of Bhopal Shatabdi;
(b) If so, the details thereof and progress made in this regard so far;
(c) Whether there is any proposal to accord ISO certificate to some of the express trains; and
(d) If so, the number of trains identified for the same and the facilities
likely to be extended to those trains?