Answer 1

Western Coastal Lowland

1. Placed between the Western Ghats and the Arabian sea.
2. Narrow lowland 64 averaging km.
3. Many small and quick streams run off the plain and cannot form deltas.
4. Presence of the considerable number of lagoons at the end part of this plain.
5. The plain passes through many coasts resulting in the information on many ports.

Eastern Coastal Lowland

1. Placed between the Eastern Ghats and Bay of Bengal.
2. Comparatively broader lowland averaging 80-100 km.
3. Big rivers like Mahanadi, Godavari, Krishna, and Cauvery run off this plain and form deltas.
4. In comparison the few numbers of lagoons are present.
5. It does not pass through coasts and hence not many ports are found.