this is not bsp. its salekasa darekasa ghat section. in this section engine should have proper working hence railway dont take risk, probably it was reason your loco changed.
See these. Pic 01 : At Durg.Jn Pic 02 : At Bilaspur.Jn Indian Railways attach extra banking locos to freight trains over Salekasa - Darekasa section but not any passenger trains plus you can see that WAP-4 loco is dead behind WAG-7 loco. I'd... more...
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