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Which is the largest ocean basin in the Indian Ocean?
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Indian Ocean
The Indian Ocean, with depth contours and undersea features.
The largest ocean basin in the Indian Ocean is the Central Indian Basin.1
The Indian Ocean features a complex topography of ridges that divide the seafloor into numerous basins, which vary significantly in width. These basins are generally characterized by smooth, flat plains covered in thick sediment, interspersed with abyssal hills.1