The correct answer is B. 1559 sq km.
According to the India State of Forest Report 2019, the total forest cover of Haryana is 1559 sq km, which is 10.1% of the state’s geographical area. This is an increase of 0.2% from the previous report. The major forest types in Haryana are dry deciduous forests, thorn forests, and scrub forests. The state’s forests are home to a variety of wildlife, including tigers, leopards, sloth bears, and deer.
Option A is incorrect because it is the area of Haryana under non-forest land. Option C is incorrect because it is the area of Haryana under culturable wasteland. Option D is incorrect because it is the area of Haryana under other uncultivated land excluding fallow land.