Krskte hai..via MB-BE krskte hai...wese bhi ASR UMBki train ka via DLI-CNB hoke LKO aana it not justified..
But just Because it connects all the intermediate station between NDLS-CNB to whole lot of Bihar all the way upto KIR and Vaishali k stoppages nhi hai un stations pe toh ye route follow kraya jarha hai..
Vrna daily 12-15 OTs likhe hue and minimum 2-3 hours ka delay toh hona hi hona hi CNB tak 15708 ka..