(a) whether the Railways have accorded approval for electrification of certain rail lines in the
country including Madhya Pradesh during the last three years;
(b) if so, the total length of railway lines for which approval has been accorded;
(c) whether electrification of Indore-Ujjain railway line has also been approved; and
(d) if so, the time by when electrification work on these lines is likely to be started?