The correct options are
A They live in forest of Andhra pradesh
B They possess a good knowledge of medicinal plants
D They get their food and fuel from the forest
Chenchu and Koya are the tribes living in Nallamalla and Ananthgiri forest of Andhra Pradesh. These tribes are dependent upon forests for their survival. They collect their food and fuel from forest products. They possess good knowledge about various medicinal plants. They rely mainly on medicinal plants found in the forest, for treatment of diseases.