Multiple choice general knowledge Which state is 4th in Population? Himachal Pradesh Tamil Nadu Rajasthan West Bengal Reveal answer Fill a bubble to check yourself D Correct answer Explanation West Bengal is the 4th most populous state in India according to Census 2011. The order is: 1-UP, 2-Maharashtra, 3-Bihar, 4-West Bengal. Himachal Pradesh, Tamil Nadu, and Rajasthan rank much lower.