Q. Which is the only active volcano in South Asia?
Answer: Barren Island
Notes: Barren Island is an island located in the Andaman Sea, dominated by Barren Volcano, the only confirmed active volcano in South Asia, and the only active volcano along a chain of volcanoes from Sumatra to Myanmar. Along with the rest of the Andaman Islands, it is a part of the Indian Union Territory of Andaman and Nicobar Islands.