Which amongst the following States has the highest population density as per Census 2001?

As per the Census 2001 data, West Bengal had the highest population density among all Indian states with 903 persons per square kilometer. During the same period, Bihar followed closely with 881, Kerala had 819, and Uttar Pradesh had 690. Madhya Pradesh had a much lower density of 196. It is important to note that while West Bengal was the most densely populated state in 2001, it was overtaken by Bihar in the 2011 Census. However, based specifically on the 2001 figures provided in the options, West Bengal is the correct answer.