Seems like with the LHBfication of Amravati on cards, SCR is actually planning a dedicated train between Hyderabad and Vasco. Perhaps 17419/20 can also be regularised without a slip, again depends on SCR.
Good that a dedicated train will continue rather than a few coaches long slip. Will be interesting to see SWR's response, if it is routed via their golden goose CLR, QLM route.
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Also I just noticed, what is this AV1, BV1, SV1 coach nomenclature in the 17021/22? Is it due to the slip with VSG-TPTY?