The correct answer is (d) Barren Island.
Barren Island is an uninhabited volcanic island in the Andaman Sea, east of the Andaman Islands. It is the northernmost island of the Indian archipelago and the only active volcano in India. The island is about 16 km long and 6 km wide, and has a maximum elevation of 384 m. The island is formed by a stratovolcano, which has been erupting intermittently since at least the 18th century. The most recent eruption was in 2019.
The island is home to a variety of plant and animal life, including several species of birds that are found nowhere else in the world. The island is also a popular destination for tourists, who come to see the volcano and the unique wildlife.
The other options are not volcanic islands.
(a) Little Andaman is a part of the Andaman Islands, which are a group of islands in the Bay of Bengal. The Andaman Islands are not volcanic islands.
(b) Little Nicobar is a part of the Nicobar Islands, which are a group of islands in the Andaman Sea. The Nicobar Islands are not volcanic islands.
(c) Great Nicobar is the largest island in the Nicobar Islands. It is not a volcanic island.