Explanation:

2nd option is correct.
Lakshadweep Islands are of Coral Origin.
Lakshadweep is a tropical archipelago of 36 atolls and coral reefs in the Laccadive Sea, off the coast of Kerala, India. Kavaratti, one of the more developed islands, is home to dozens of mosques, including the ornately decorated Ujra Mosque, as well as Kavaratti Aquarium, showcasing regional fish, shark and coral species.