The correct answer is: C. the coast of Orissa.
Coral reefs are found in the following places in India:
- The Andaman and Nicobar Islands
- The Lakshadweep Islands
- The Gulf of Mannar
- The Palk Bay
- The coast of Orissa
The Andaman and Nicobar Islands are a group of islands in the Bay of Bengal. The Lakshadweep Islands are a group of islands in the Arabian Sea. The Gulf of Mannar is a gulf in the Indian Ocean. The Palk Bay is a bay in the Indian Ocean. The coast of Orissa is a coastline in the Indian Ocean.
Coral reefs are important ecosystems that provide food and shelter for many marine animals. They also protect coastlines from erosion. Coral reefs are threatened by climate change, pollution, and overfishing.
Waltair is a city in Andhra Pradesh, India. Trivandrum is a city in Kerala, India. Rameshwaram is a town in Tamil Nadu, India. These places do not have coral reefs.