1. Year of great divide - 1921
Explanation-
1921 is known as the year of great divide. In this year, India experienced a negative growth rate in the total population level, from a rate of 25.29 crores in 1911, to a level of 25.11 crores in 1921.
2. Literacy rate-2001 - 65.38 %
Explanation-
The literacy rate of India was 65.38 % in 2001. Literacy rate refers to the percentage of the population above 7 years of age, who can read and write in any of the languages along with the ability to understand.
3. Sex ratio – 914
Explanation-
Sex ratio refers to the number of females per 1000 males. According to the 2011 census, the sex ratio of India was estimated at 914.
4. Family planning programme – 1952
Explanation-
Family planning programme was introduced in the year 1952 by the government of India, in order to control the population explosion. Under this programme, basic emphasis was put in spreading the idea of ‘small family’ all over India.