<P> Coral reefs in India are one of the most ancient and dynamic ecosystems of India . The coral reefs not only provide a sanctuary to a myriad of marine life but also play a key role in protecting the coastline from erosion . India has about 7517 km of coastline including islands but mainland coast is 5423 km . </P> <Ul> <Li> Andaman and Nicobar Islands </Li> </Ul> <Li> Andaman and Nicobar Islands </Li> <Dl> <Dd> Situated in the Bay of Bengal, exclusively fringing reefs of about 572 islands, most of these islands have a healthy biodiversity . </Dd> </Dl>

Coral reefs in india can be found in*