India, April 9 -- State-owned NHAI said it has taken an initiative to develop 'Arogya Van', thematic medicinal tree plantations on vacant land parcels along National Highways. NHAI, in a statement, said the initiative aims to enrich biodiversity along the National Highways by introducing medicinal tree species that support pollinators, birds and microfauna, thereby strengthening ecosystem resilience. In the first phase of developing 'Arogya Van', an action plan has been formulated covering 17 land parcels, spanning over 62.8 hectares, where around 67,462 medicinal trees will be planted along different National Highway projects in MP, Haryana, Delhi-NCR, Andhra Pradesh, Gujarat, Karnataka, Odisha, Tamil Nadu, Rajasthan, Maharashtra and Chh...