The Andaman & Nicobar Emerald Islands

Located - the Bay of Bengal 

Cellular Jail located -  at Port Blair. The Jail, completed in the year 1906 acquired the name, ‘cellular’ because it is entirely made up of individual cells for the solitary confinement of the prisoners.

Barren Island, the only active volcano in India. 

Narcondam is a small volcanic island located in the Andaman Sea. It was classified as a dormant volcano by the Geological Survey of India.

Duncan Passage – It is Between South Andaman to Little Andaman.

Ten Degree Channel – It separates the Little Andaman Islands and Car Nicobar Islands.

Great Nicobar - The southern end of the Nicobars, this island has Indira Point (formerly Pygmallion Point) the southern most tip of India.