We provide Tender Bidding Support for Final Location Survey Involving Aerial Topographical Survey, Drone Videography Uav, Land Survey, Detailed Engineering Survey, Alignment Design, Geotechnical Investigations, Hydrological Survey, Preparation Of Plans, L-Sections, Gad Of Bridges Etc. And Other Related Ancillary Activities In Connection With Preparation Of Estimate And Detailed Projects Report For Patch Multi-Tracking Of Section Between Sanjaygram - Dhachana 12.25 Km, Bagdogra - Gulma 18.42 Km, Ambari Falakata - Siliguri Jn 15.85 Km And For 3Rd & 4Th Line Between Aluabari - New Jalapiguri Section 53.0 Km. Total : 99.52 Km.