The correct answer is (b) 30662 sq. km.

Uttarakhand is a state in India with a total area of 53,483 sq. km. Of this, 57.5% is under forest cover. This makes Uttarakhand the state with the highest forest cover in India.

The following are the options for the question:

(a) 34651 sq. km.: This is the area under forests in the state of Madhya Pradesh. (b) 30662 sq. km.: This is the correct answer. (c) 28462 sq. km.: This is the area under forests in the state of Chhattisgarh. (d) 22462 sq. km.: This is the area under forests in the state of Jharkhand.

I hope this helps!