With regard to the component of population density, which state is the odd one out of the following?

Population density refers to the number of persons living per unit area (usually per square kilometer). According to the Census of India 2011:
* Bihar has the highest population density among Indian states with 1,106 persons per sq km.
* Uttar Pradesh and Tamil Nadu also possess very high population densities, with 829 and 555 persons per sq km respectively.
* Arunachal Pradesh is the odd one out because it records the lowest population density among all Indian states, with an extremely sparse ratio of just 17 persons per sq km.