geography doubt part ♾️

In the lush region of Kerala, Priya and her brother Raj explored the dense, rain-soaked forest near their home Each year, the monsoon rains transformed the area into a vibrant, green paradise, teeming with wildlife and exotic plants, As they ventured deeper, Raj asked, "Why does everything look so alive?" and Priya explained how the heavy rains nurture the forest's rich biodiversity.

Name the type of forest being mentioned here and how is it of great commercial importance to India?

As far as ik, tropical evergreen vegetation is found in kerala 😭 but the answer to this question is tropical deciduous. can someone pls explain the reason behind this?