Generally there was population growth rate increase in India, but in which of the following year there was decrease in population growth rate
$1921$
$1941$
$1951$
$1971$
World Population Day is
The decreasing sequence of most populated first three cities of $M.P$. according to $1991$ census are
Which of the following methods is used during abortion?
In vasectomy, a small part of the .................. is removed through a small incision on the scrotum.