First Agriculture census was done in Haryana in ____ .

The correct answer is: A. 1968-69.

The first agriculture census in Haryana was conducted in 1968-69. It was a comprehensive survey of all agricultural holdings in the state. The census collected data on a variety of topics, including land use, cropping patterns, irrigation, and livestock. The data collected in the census was used to develop agricultural policies and programs in Haryana.

The other options are incorrect because they are not the years in which the first agriculture census was conducted in Haryana.