East flowing rivers:
These rivers drain in the bay of bengal.
These rivers make deltas in their mouth.
These rivers have a developed tributary system. Their tributaries are comparatively large in size.
These rivers flows through not very deep channels.
The Mahanadi , the Godavari , the Krishna, the Kaveri are the main east flowing rivers.
West flowing rivers:
These rivers drain in the Arabian sea.
These rivers enter the sea through eastuaries.
These rivers are devoid of developed tributary system. Their tributaries are small in size.
These rivers flow in a trough are a funnel like narrow but deep channels.
The Narmada and Tapi are main west flowing rivers.