india is a peninsula, which means that it is surrounded on three sides by water. in the west is the arabian sea, in the south is the indian ocean, and in the east is the bay of bengal. the coastline of india is of about long. the northern part of india has many mountains. the most famous mountain range in india is the himalayas, which have some of the tallest mountains in the world. there are many rivers in india. the main rivers are the ganges, the brahmaputra, the yamuna, the godavari, the kaveri, the narmada, and the krishna.