Correct Answer: (d) West Bengal, Bihar, Uttar Pradesh, Kerala
Solution:According to the Census 2001, the correct descending order of population density of Major States of India was as follows: West Bengal (903), Bihar (881), Kerala (820) and Uttar Pradesh (690). As per Census 2011, the descending order of the States with the highest population density is as follows: Bihar (1106), West Bengal (1028), Kerala (860) and Uttar Pradesh (829).