Among the following districts, which one has the larger area under dense deciduous forest cover?

Explanation

At the time of the question as well as at present, West Champaran has the largest area under dense deciduous forests. According to the India State of Forest Report, 2023, West Champaran has a total forest area of 908.23 square kilometers, of which 303.78 square kilometers are very dense forest, 527.25 square kilometres is moderately dense forest, and 77.20 square kilometres is open forest.