Majuli
Explanation
A riverine island is a specific landform situated within a river system, formed by the changing course of the river or the accumulation of sediment. Majuli is the most prominent example of such a formation in the Indian subcontinent.
Detailed Analysis:
- Andaman: Incorrect. The Andaman Islands are an archipelago in the Bay of Bengal. They are oceanic islands, not riverine islands.
- Majuli: Correct. Majuli is located in the Brahmaputra River in the state of Assam. It is recognized by Guinness World Records as the world's largest inhabited riverine island. It is formed by the Brahmaputra River in the south and the Kherkutia Xuti (an anabranch of the Brahmaputra), joined by the Subansiri River in the north. It is also the first island to be made a district in India.
- Lakshadweep: Incorrect. Lakshadweep is a group of islands in the Arabian Sea. These are coral islands (atolls) of oceanic origin.
- Minicoy: Incorrect. Minicoy is the southernmost atoll of the archipelago of Lakshadweep and is oceanic in nature.
Key Takeaway:
Majuli, situated in the Brahmaputra River in Assam, holds the distinction of being the largest inhabited riverine island in the world and is a significant fluvial landform of the Himalayan drainage system.