jab CPA NER mei tha (infact CPA has been under LJN div too) den, trains like CPR LJN Utsarg was proposed to b extended 2 CPA. NR was consulted for path availability as LKO-CNB is under NR. path was given and NER extended its train to CPA.
I think Chauri Chaura might b having same story as it was til ALY earlier..
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now...
more... CPA is under jurisdiction of NCR so thoda sa aur approvals ki zarurat hai.
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14221/22 FD CPA is proposed to b extended to BRT (NER).
/blog/post/4661555similarly 15069/70 GKP ASH cud b tried. BRT needs to train LKO but with good timings.
(they need a MEMU dep at morning hrs.)