The Bangalore International Airport (BIA) police are searching for the kingpin of a fake passport racket, following the arrest of a woman and two men at the airport on Saturday.Police identified the man as Shamsuddin from Kasargod. BIA police had arrested Prema alias Saraswathi (21) from Madikeri, while she was about to board a Dubai flight. Though her arrest was claimed to be in connection with human trafficking, it was learnt that the police were aware of the developments as early …