Design, Supply, Erection, Testing & Commissioning Of Traction Substation 01 No. At Hilsa With Associated Switching Station Posts 02 Nos Sp & 02 Nos Ssp For 1X25kv Electric Traction Feeding System In Connection With Construction Of New Bg Line From Neora To Daniawan& Brb-Shk Section In Danapur Division Of East Central Railway In Bihar, India