Section 46(47) in The Port Rules for the Port of Bombay
(47)A red flare exhibited at the Prince's or Victoria Dock or a red light at the Indira Dock pier heads signifes danger, and that vessel coming onto the Dock should stop and go out of the Dock Channel.Three red lights hoisted vertically at the uard-arm at Prince's and Victoria Docks indicate that the Dock Gates are open.At Princes Dock and Victoria Dock
