Islands in India: Andaman and Nicobar Islands (Oceanic Islands)

They are continental islands of the Bay of Bengal.
They were formed due to collision between the Indian Plate and the Burma minor.
They are southward extensions of Arakan Yoma range (Myanmar).
This archipelago is composed of around 265 big and small islands.
The Andaman islands are divided into three main islands i.e. North, Middle, and South.
Among the Nicobar islands, the Great Nicobar (Galathea bay is located in this region) is the largest. It is the southernmost island and is very close to the Sumatra island of Indonesia. The Car Nicobar is the northernmost.
Port Blair, the capital of Andaman Nicobar Islands lies in the South Andaman.
Barren island (only active volcano) and Narcondam island (extinct volcano) are volcanic islands.
They have both the presence of corals and of mangroves.
Saddle peak (737 m) in North Andaman is the highest peak.
Major PVTG tribes in the region are :

Straits
- Coco Strait: Separates Coco Island (Myanmar) and Andaman Group of Islands.
- Ten Degree Channel (on the 10°N parallel): Separates Andaman and Nicobar Islands.
- Duncan Passage: Separates Little Andaman from South Andaman.
- Great Channel: Separates Nicobar Island and Indonesia.
New Name of Certain Islands

Old Name	New Name
Ross Island	Netaji Subhash Chandra Bose Dweep
Neil Island	Shaheed Dweep
Havelock Island	Swaraj Dweep