Tender For project monitoring of ajmer (including)-railaroad (including) section & pushkar (including)-katyasani (merta) by using aerial videography with rtk/ppk enabled uav/drone & conducting out topographical survey of yards as per requirement by aerial survey using drone/unmanned aerial system (uas) and stereo photogrammetry technology and developing esps of existing/proposed yards of ajmer (excluding)-railaroad (including) section & pushkar(including)-katyasani(merta) under dy.chief engineer/const/i/ajmer unit in ajmer division of north western railway.