Ganges

Godavari

Krishna

Cauvery

Aravalli Hills

Eastern Ghats

Western Ghats

Himalayas

There are deep ocean trenches along these margins

High mountain stretch along the continental margins adjacent to this ocean

These margins coincide with the plate margins

The currents of the vast Pacific Ocean continue to dash against the continental margins

Proximity of raw material

Availability of adequate and cheap water

Good accessibility to market

Availability of cheap labour

Cape Comorin

Indira Point

Point Calimere

Kovalam