According to the $1991$ census,the minimum percent of population increase was in which state?

In which of the following states is the number of females higher than the number of males?

The present population growth rate in India is alarming. Suggest ways to check it.

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?

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

Number of births per thousand people in the population is expressed as