Why ‘height above sea level’ is written on every railway station board? Here’s the hidden reason behind it
Height above sea level: Mean sea level' is the average level of the sea’s surface. It is used around the world as a standard reference point to measure the height of land, mountains, and cities.
Top Stories India 
Height above sea level: Mean sea level' is the average level of the sea’s surface. It is used around the world as a standard reference point to measure the height of land, mountains, and cities.
