Introduction:
The coral group of islands of India refers to a group of islands that are predominantly made up of coral reefs. These islands are known for their rich marine biodiversity and are popular tourist destinations. Among the options provided, Lakshadweep is the correct answer.

Explanation:
Lakshadweep:
- Lakshadweep is a coral group of islands located in the Arabian Sea.
- It is an archipelago consisting of 36 islands, with the major ones being Minicoy, Agatti, Kalpeni, Kavaratti, and Bangaram.
- These islands are known for their pristine white sandy beaches, crystal clear turquoise waters, and abundant coral reefs.
- The coral reefs in Lakshadweep are home to a diverse range of marine life, including various species of fish, turtles, and corals.
- The islands offer excellent opportunities for snorkeling, scuba diving, and other water sports.
- Lakshadweep is a Union Territory of India and is governed by the Lakshadweep Administration.
- The islands have a unique culture influenced by Arab, Maldivian, and South Indian traditions.
- Tourism is a major source of income for the local population, and several resorts and hotels cater to tourists visiting the islands.

Andaman and Nicobar Islands:
- Andaman and Nicobar Islands are also part of India, but they are not primarily known for their coral reefs.
- These islands are located in the Bay of Bengal and are known for their lush tropical forests, pristine beaches, and diverse flora and fauna.
- The Andaman and Nicobar Islands have a rich history and are home to various indigenous tribes.
- Tourism is a major industry in these islands, with visitors attracted to their natural beauty and opportunities for adventure sports such as trekking, snorkeling, and diving.

Conclusion:
Among the options provided, Lakshadweep is the correct answer for the coral group of islands of India. These islands are known for their coral reefs, marine biodiversity, and picturesque landscapes. Visitors can enjoy various water sports and experience the unique culture of the local population.