New Delhi, Feb. 18 -- A twin-tube tunnel set to be developed between Nelson Mandela Marg and Shiv Murti, near the Dwarka Expressway, will impact around 1,500 trees, three times the previous estimate, according to senior government officials aware of the developments. Announced in 2021 as part of the National Highway Authority of India (NHAI)'s NH-148AE project, the 5-km-long stretch is expected to ease the movement between south Delhi and Delhi airport by providing an alternate route. The NHAI held a meeting with Delhi government officials last month where it sought help in resolving three key issues pertaining to the NH-148AE project, said a senior government official, on condition of anonymity. Firstly, it asked for permission to cut appr...