Correct Answer: (c) Chhattisgarh
Solution:The Cinchona is an evergreen tropical plant. In India, evergreen forests are found in Tamil Nadu, Karnataka, Kerala, Maharashtra, Assam, Arunachal Pradesh, Meghalaya, Nagaland, Tripura, West Bengal and Andaman and Nicobar Islands while Chhattisgarh is suitable for Tropical dry and monsoon type forests. The Cinchona tree does not grow in Chhattisgarh. It is found in Assam, Kerala and West Bengal.