Description :
Tenders for Corrigendum : Preparation Of Yard Plans By Modification Of Existing Plans And Approval Of The Same From The Competent Authority Of Eastern Railway And Delivery In Cad Format And Pdf Format Using Drone/lidar And Dgps/ts, Unmanned Aerial System (uas) And Stereo Photogrammetry Technology For Yard And Surrounding Area Of Eastern Railway Under Sr.den/1/hwh
