The correct option is A Andhra Pradesh
Chenchu and Koya are the tribes of Andhra Pradesh.
Forests have been a home to humans ancient times. The “Chenchu” tribe live in the dense Nallamala forest in Andhra Pradesh. Chenchus are the only people living in the company of tigers and wild animals. Chenchus never cut green trees for fuel wood and for domestic purposes.
The Koya tribes who live at the foothills of Ananthagiri forest.
These people along with forest officials have now made great efforts to save forests by planting bamboo and other plants.