Answer- A
The Aravalli Green Wall Project, a significant effort to afforest the 5 km buffer zone around the Aravalli Hill Range in four states, was launched by Shri Bhupendra Yadav.
This scheme involves planting saplings over approximately 26,000 acres in five districts of Haryana, namely Gurugram, Rewari, Nuh, Mahendergarh, and Faridabad.