The correct answer is 1603 sq km. As per the state of forest report 2021, the tree cover in the state of Haryana is 1603 square km. The survey was conducted between October 2019 and February 2020 for the assessment year 2021. The forest cover in the state is 1,603. 48 km, which is 3. 63% of the state's geographical area. The forest area of the state was recorded at 1,602. 44 in 2019, 1,588 sq km in 2017 and 1,580 sq km in the 2015 report.