Detailed Solution:
The correct answer is “Class IV towns had the highest number of urban centres”.
1) According to the 2011 Census of India, the states with the largest urban populations were: Maharashtra > Uttar Pradesh > Tamil Nadu.
2) According to the 2011 census, Goa was the most urbanized state in India with 62.17% of its population living in urban areas.
4) According to the 2011 Census of India, Class I cities, which are defined as cities with a population of 100,000 or more, had 70.2% of the country's urban population, despite making up only 7.6% of the total number of towns.