How did Naresh Goyal clear immigration if there was a lookout circular?

With no clear answer to the question from the authorities, there are two possibilities that may have played out last Saturday

A powerful business tycoon being deplaned and stopped from flying out of the country could any day be a scene from a racy thriller. But the dramatic sequence of events leading to Jet Airways Founder Naresh Goyal and his wife getting off-boarded from an Emirates flight to Dubai holds a mystery that hasn’t been unravelled. 

How did Goyal and his wife clear the immigration at Mumbai airport if there was a lookout circular, on the basis of which they were told to get off the plane some minutes later? With no clear answer to the question from the authorities, there