Consider the following statements regarding urbanisation in India:

A. The level of urbanisation in India in 2011 was 31.16%, which is higher than developed countries.
B. The urban population in India has increased eleven-fold during the 20th century.
C. The growth rate of urbanisation in India has increased significantly in the last two decades.
D. New towns and enlargement of urban centres have significantly contributed to the growth of urbanisation in India.

Which of the statements are correct?