Commercial operations on the Samastipur-Khagaria section of the Samastipur-Khagaria, Darbhanga-Jaynagar and Raxaul-Samastipur railway electrification project commenced on September 9, 2019. As part of the project, the 86 km Samastipur-Khagaria, 69 km Darbhanga-Jaynagar and 231 km Raxaul-Sitamarhi-Darbhanga-Samastipur lines are being electrified at an estimated cost of Rs Rs 1.15 billion, Rs 803.5 million and Rs 3.04 billion, respectively, in Bihar. The project was sanctioned in Railway Budget 2017-18.
