Location: The coastal plains of India are located along the Arabian Sea coast in the west and along the Bay of Bengal coast in the east. According to their location to the east or west of the peninsular, they are called:
This east coastal plain begins from the north with the plains formed by the Subarnarekha River to extend to the south till Kanyakumari. It thus stretches for nearly 1500 km, with nearly a width of 100 km. to the east of this plain lies the extensive blue waters of the Bay of Bengal and to the west of the plain lies the remnants of Eastern Ghat hills.
It stretches from the Rann of Kachchh in the north to Kanyakumari in the South. To the East it is bounded by the steep slopes of the Western Ghat and to the west lays the Arabian Sea. Compared to the East Coastal Plain, this West coastal plain is narrower. The west coastal plain becomes narrower gradually from the Kachchh coast to Kanyakumari, where it is narrower unlike the East coastal plain with large rivers and their wide mouths or large deltas, the west coast has short river coming down swiftly from the western slopes of the Western Ghat, the draining into the Arabian Sea without forming any deltas.