 A Navy officer, on condition of anonymity, stated that the MV "Leeds Castle" was in restricted waters and in that area the ocean depth is not great and thus the reason for the mishap.Other naval officials expressed surprise that how in the high seas, the submarine was cruising at only at a depth of 10 to .The submarine has since been towed to a naval dockyard at Mumbai and a Board of Inquiry has been ordered to probe the mishap.