(a) the details of the total length of railway tracks electrified during the last three years and the current year, State/zone/year-wise;
(b) whether the Government has fixed any target for this purpose during the above period and if so, the details thereof, State/zone-wise and year-wise;
(c) the details of proposals received for electrification of rail routes in States particularly Uttar Pradesh, Bihar and West Bengal and the action taken by the Government thereon; and
(d) the time by which hundred percent electrification of railway tracks are likely to be achieved?