What was the approximate Indian population according to the 1981 census? What was it in 1991?
According to 1981 census, the Indian population was 683,329,097 while that in 1991 was 846,421,039
List three major landmarks in human history which contributed to the sudden rise in population of the world. What was the approximate Indian population according to the 1981 and 1991 census? [5 MARKS]
What was the population of India according to the population census of 2011?