Arrange the following districts in descending order of forest area, as per India State of Forest Report,

The correct answer is A. West Champaran, Kaimur, Jamui, Rohtas.

The following table shows the forest area of each district in Bihar, as per India State of Forest Report, 2019:

District | Forest Area (sq. km.)
——- | ——–
West Champaran | 2,249.10
Kaimur | 1,882.50
Jamui | 1,652.20
Rohtas | 1,489.80

Therefore, the districts in descending order of forest area are:

1. West Champaran
2. Kaimur
3. Jamui
4. Rohtas