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

To which population category does India belong?

$Statement 1$: Over-population has become a serious problem in the developing countries.
$Statement 2$: It does not exhaust natural resources, causes unemployment and pollution.

The rate of human population growth is:

The population of India in the early $21$st century was approximately: (in $crore$)

The primary cause behind the rapidly growing population of the world in recent times is