Tender For Rendering Services For Conducting Aerial Topographical Survey Using Dgps Based Integrated Drone, Preparation Of L-Section, Esp, Sip, Gad, Soil Exploration, Preparation Of Bill Of Quantity And Epc Tender Documents And Other Ancillary Works Between Alauli - Kusheshwarasthan Station ( Approx-21.00Kms ) In Connection With Construction Of New Bg Rail Line Between Khagaria - Kusheshwarasthan Station.