Duncan Passage is a strait in the Bay of Bengal. It is about wide; it separates Rutland Island (part of Great Andaman and South Andaman administrative division) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea. It lies within the exclusive economic zone of India protected by the integrated tri-services Andaman and Nicobar Command of Indian Military.
It sits between The Sisters island off South Andaman Island and North Brother Island off Little Andaman with a minimum depth of 21.9 m.Prashant sharma,Geography FAQ: for SSC, Bank PO, Railway, UPSC exams and CDS, page 8.2002, Sailing Directions (enroute) for India and the Bay of Bengal
Manners Strait is the branch of Duncan Passage that lies between North Cinque Island and Rutland Island.
Islands along Duncan Passage
Several small islands and islets lie along the passage. North to south, they are: North Cinque Island South Cinque Island Passage Island The Sisters North Brother Island South Brother Island
Nearby major channels and straits In Andamans Coco Channel (or Coco Strait) Ten Degree Channel Six Degree ChannelMohor Chakraborty and Tridib Chakraborti, 2020, India's Strategy in the South China Seabooks.
Outside Andaman Palk Strait Malacca Strait Singapore Strait Sunda Strait"Sunda Islands". Concise Dictionary of World Place-Names. John Everett-Heath. Oxford University Press 2005. Oxford Reference Online. Oxford University Press.Donald B. Freeman, The Straits of Malacca: Gateway Or Gauntlet?. McGill-Queen's Press, 2006.The designaiton of routing measures in Sunda and Lombok Straits. Lombok StraitIndia’s Strategic Dimensions in Malacca Strait By Vithiyapathy Purushothaman, 16 March 2015.
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