In the world population, how many people are added per year?

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

How many persons are added to the Indian population per year?

Explain the requirement for the control of population growth and birth control.

What was the world's total population during the $2011$ census?

$A$: Population of India crossed one billion in May $2000$.
$R$: It is the result of a rapid decline in death rate,maternal mortality rate $(MMR)$,and infant mortality rate $(IMR)$,as well as an increase in the number of people in the reproductive age.