The study of human population statistically is known as

'Hum Do Hamare Do' slogan encourages:

Generally,there was a population growth rate increase in India,but in which of the following years was there a decrease in the population growth rate?

The total population of the world by the end of the $20^{th}$ century reached approximately:

The minimum number of females per $1000$ males in India (as per the $2011$ Census) is found in which of the following union territories?

The impact of human population is directly related to