On which day, world population touched $5 ^{th}$ billion?
$May \;11,1985$
$July \;11,1986$
$May \;11, 1987$
$July \;11,1987$
Human population growth graph is
“Population is an auto-regulated system'' was said by
$NMEP$ stands for
First dose of $BCG$ vaccine is given at the time of
When the $2 ^{nd}$ and the $3^{rd}$ dose of $DPT$ is given to a child?