As per census 2011, what is the percentage of total population of Haryana to the total population of the country?

The correct answer is A. 2.09%.

As per the 2011 census, the total population of India was 1,210,193,422. The total population of Haryana was 28,803,980. Therefore, the percentage of total population of Haryana to the total population of the country is 2.09%.

Option B is incorrect because the percentage of total population of Haryana to the total population of the country is not 4.08%.

Option C is incorrect because the percentage of total population of Haryana to the total population of the country is not 6.70%.

Option D is incorrect because the percentage of total population of Haryana to the total population of the country is not 10.10%.