Correct option is B
The decade from 2001 to 2011 marked a significant demographic shift in India, where for the first time, the increase in the absolute number of people living in urban areas exceeded the increase in the rural population. This period saw a rapid rate of urbanization due to factors such as economic growth, migration from rural to urban areas, and natural population growth in cities.
• 2001–2011: This decade recorded an unprecedented urban growth where the urban population increased by more than 90 million, while the rural population grew by around 91 million. However, in terms of percentage increase and the growth rate, the urban population growth outpaced rural growth.