According to Haryana State Forest Policy 2006, the government targeted to increase the forest cover around

10%
20%
30%
40%

The correct answer is: B. 20%

The Haryana State Forest Policy 2006 targeted to increase the forest cover from 10% to 20% of the total geographical area of the state.

Option A is incorrect because the target was to increase the forest cover by 20%, not 10%.

Option C is incorrect because the target was to increase the forest cover by 20%, not 30%.

Option D is incorrect because the target was to increase the forest cover by 20%, not 40%.