According to one online news item, Mr. Manoj Sinha has stated that it will take at least 2 years time to electrify the entire Varanasi - Lucknow Route where the stretch from Janghai Jn to Utretia Jn is not under wires. Track Doubling works between Utretia (From Mohanlal Ganj) to Amethi are under progress.
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PS: I've tweeted to HWH DRM Sir about
speeding up the Amritsar Mail on this stretch and in total too :)