It's covering all the main stoppages (not necessarily big stations/junctions) from North Bihar and Eastern UP. Many such stations may have served Meter Gauge Trains if we look at their puggy station boards.
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The Route goes like this: Via Golpara (Not Rangiya) - New Jalpaiguri - Katihar - Barauni - Samastipur - Darbhanga - Sitamarhi - Raxaul (Meter Gauge at one time) - Narkatiaganj - Kaptanganj - Gorakhpur (Train coming from another side instead of Siwan) - Gonda - Sitapur Cantt - Bareilly (Joining BE from another line instead of LKO) -...
more... and then straight to SVDK via SRE.
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PS: I am wondering about the loco pilot and loco changes that this train will have to undergo for it's mammoth journey :-p