General Over 7,500 trees cut for 16-km section of Delhi-Dehradun Expressway: RTI response Noida, Apr 4 (PTI) As many as 7,575 trees have been felled on a nearly 16-km-long section of the Delhi-Dehradun Expressway and over 1.76 lakh are to be planted in compensation for it, according to the National Highways Authority of India. Of April 4, 2024