Updated On: 11 January, 2021 12:00 AM IST | New Delhi | A Correspondent
Also, 60-megapixel cameras are being used for the LiDAR survey, to provide clear pictures of the structures, trees and other minute ground details.

Helicopter fitted with state-of-art Aerial LiDAR and imagery sensors took the first flight and captured the data related to the ground survey
The Light Detection and Ranging Survey for Delhi-Varanasi High-Speed Rail (DVHSR) Corridor began on Sunday from Greater Noida, where a helicopter fitted with state-of-art Aerial LiDAR and imagery sensors took the first flight and captured the data related to the ground survey, informed the Ministry of Railways.
The proposed plan for DVHSR Corridor will connect Delhi with major cities like Mathura, Agra, Etawah, Lucknow, Raebareli, Prayagraj, Bhadohi, Varanasi and Ayodhya.