Annual Maintenance Contract Of The Work Provision Of Coach Guidance System At Platforms, Coach At A Glance Display Board At Foot Over Bridge ( Fob ) And Digital Clocks At Platforms Of Samastipur, Darbhanga, Saharsa And Sitamarhi Stations In Samastipur Division For Three Years.Amc Of The Work Provision Of Coach Guidance System At Platforms, Coach At A Glance Display Board At Foot Over Bridge ( Fob ) And Digital Clocks At Platforms Of Samastipur, Darbhanga, Saharsa And Sitamarhi Stations In Samastipur Division For Three Years.,