According to the $2001$ census,the population growth rate was approximately: (in $;\%$)

Higher human population in cities is mainly due to

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

$A$: 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.

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

As a country becomes industrialized,its population growth: