Drone survey compulsory for highway projects
The National Highways Authority of India (NHAI), on Wednesday, mandated the use of drones for monthly video recording of all national highway projects during their different stages
The National Highways Authority of India (NHAI), on Wednesday, mandated the use of drones for monthly video recording of all national highway projects during their different stages
The National Highways Authority of India (NHAI), on Wednesday, mandated the use
