A port officer uses binoculars in Antwerp, Belgium. (Photographer: Jasper Juinen/Bloomberg)

BQExplainer: Lookout Circulars – Use, Overuse, Abuse?

Last week, Naresh and Anita Goyal, promoters of crisis-hit Jet Airways (India) Ltd., were pulled off a flight taking off from Mumbai for Dubai and London on the basis of a lookout circular issued b...