Annual Maintenance (Oiling & Greasing) Of A.F.S. Gates Situated At Different River Embankments And Jamindari Bandh Under Civil Division Flood Control Division, Bakhtiyarpur And Running Of Mechanical Ambulance For Civil Division Flood Control Division,Bakhtiyarpur As Well As Flood Control And Drainage Division, Ekangarsarai During Flood Period. (EXPIRED)