Click on images to enlarge.
Population density map of South Asia:
Credit of: http://www.roebuckclasses.com/maps/placemap/sasia/sasiapopdensity.JPG
The areas of highest population are gathered around the Indus Valley (Indus River), the Ganges Delta, and the Ganges Valley (Ganges River). India is the second most populated country in the world, due to high fertility rates, poverty, and lower death rates. Population control rules were recently implemented.