Introduce your answer with some fact that highlights the gravity of issue of forest fire.
In body first discuss briefly about the type and nature of forest fires- controlled and uncontrolled- and bring out benefits of controlled forest fires.
In next section mention causes of forest fires.
The discuss the impacts of forest fires on ecology, economic and society.
Give some suggestions as way forward.
Conclude by pointing out importance of managing this threat for a vibrant and diverse flora and fauna.