Answer: These islands are elevated portion of submerged mountains
Notes: Port Blair is the capital town of Andaman and Nicobar Islands, one of the seven union territories of India located in the Bay of Bengal. Both the Andaman and Nicobar groups are part of a great island arc, formed by the above-sea extensions of submarine ridges of the Rakhine Mountains and the Patkai Range to the north and the Mentawai Ridge (the peaks of which form the Mentawai Islands of Indonesia) to the south.
This Question is Also Available in:
हिन्दी