The correct option is A Bengaluru urban
Bengaluru urban district stands first in the 'Land not available for cultivation' category. It is followed by Shivamogga, Tumakuru, Belagavi, Ballari, Mysuru, and Dakshina Kannada. The land is used for building rail routes, roadways, residences, industry, and irrigation purposes. Hence, it will not be available for cultivation.