Won't get enough patronage.
Major stations along the route already has better trains to ghy.
DBRG, NTSK, MXN has overnight Rajdhani, Vivek and Kamrup
DMV has overnight 15670 (dep 2125 are 0315) and 15604 (dep 2330 arr 0500).
People...
more... usually take these trains to Ghy, arrive early morning in Ghy, complete the task during the day and return same evening in Rajdhani or Ledo intercity.
A shatabdi was already tried which was cancelled due to poor patronization.
If they really want to run a VB in this route, it can be between GHY-DMV
DMV Dep 0600 GHY Arr 1030
GHY Dep 1700 DMV Arr 2130