Western Coastal Plains | Eastern Coastal Plains |
They constitute a narrow strip of land bounded by the Western Ghats on the east and the Arabian Sea on the west. | They are wider plains bounded by the Eastern Ghats on the west and the Bay of Bengal on the east. |
They merge with the Gujarat Plains in the north. | They merge with the Ganges–Brahmaputra Delta in the north. |
They include estuaries, lagoons and backwaters (Kerala). | They include the deltas of the Mahanadi, the Godavari, the Krishna and the Kaveri. |