According to Population Census 2011, which of the following states of India has lowest percentages of Urban population to its total population?

The correct answer is (a) Himachal Pradesh.

According to the Population Census 2011, the percentage of urban population to the total population in Himachal Pradesh is 10.8%, which is the lowest among all the states in India. The percentage of urban population to the total population in Odisha is 12.8%, in Jharkhand is 14.2%, and in Rajasthan is 26.4%.

The low percentage of urban population in Himachal Pradesh can be attributed to a number of factors, including its mountainous terrain, which makes it difficult to develop infrastructure, its relatively small population, and its traditional way of life.