Correct Option: C

As per the 2001 Census, Uttar Pradesh continued to be the most populous state in the country with 16.17 percent of India’s population followed by Maharashtra (9.42 percent) and Bihar (8.07 percent). In fact the population of Uttar Pradesh (166 million) was more than the estimated population of Pakistan. According to 2011 census, most population-wise states are 1. Uttar Pradesh– 19,98,12,341 2. Maharashtra – 11,23,74,333 3. Bihar – 10,40,99,452 4. West Bengal – 9,12,76,115