The incident happened last night between gate number 24 and 25, about 1 km from Darbhanga station.
Three youths sat on the railway tracks and were engrossed in music from their mobile phones with headphones in plugged their ears, the police said.
They could not hear the horn of the
Samastipur-Darbhanga-Raxaul DMU and came under the wheels of the train, officer-in-charge of railway police N K Singh said.
The third youth Mohammad Shabir was battling for his life at the Darbhanga Medical College and Hospital (DMCH), Singh added.
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