Tenders for Conducting Final Location Survey With Hybrid Modern Survey Technology Using Dgps Integrated Rtk/Ppk Uas Drone Npnt Compliant From Dgca Based Photogrammetric And Lidar System, Conducting Soil Investigation & Preparation And Submission Of Various Detailed Drawings And Preparation Of Estimate And Dpr Of 4Th Line Between Gondia - Nagpur 134.00Km Section & Left Out Sections Of 4Th Line Between Bilaspur - Gondia