The western coast borders the Arabian Sea and the eastern coast borders the Bay of Bengal.
The western coast is by and large a rocky coast. At places, spurs starting from the Western Ghats have extended right up to the coast. The eastern coast has been formed as a result of depositional work of rivers.
The width of the western coast is narrow, whereas that of the eastern coast is wide.
Short and swift rivers originating from Western Ghats form estuaries on the western coast, whereas, because of the gentle slope the east flowing rivers flowing at low speed deposit sediments and form deltas on the eastern coast.
Thus there are dissimilarities between the eastern and the western coasts of india