Year 1921 is known as a year of “Great Divide” in the demographic history of India. After that in which decade there was a slight dip in the rate of decadal population growth in India?

Q. Year 1921 is known as a year of “Great Divide” in the demographic history of India. After that in which decade there was a slight dip in the rate of decadal population growth in India?
Answer: 1941-51
Notes: