Western Coastal PlainEastern Coastal Plain1. These plains have narrow margin interspersed by hilly terrain.1. These are wide plains with well-developed deltas.2. These plains lie in between the Arabian Sea and the Western Ghats.2. These plains lie in between the Bay of Bengal and the Eastern Ghats.3. The coast has beautiful lagoons in the Malabar coastal area.3. The east coast has well formed deltas.4. Major rivers are the Tapi, Narmada, Mandovi and Nuari.4. Major rivers are Mahanadi, Godavari, Kaveri and Krishna.