MUMBAI, June 8 -- The Directorate of Revenue Intelligence (DRI) has dismantled an alleged gold-smuggling syndicate operating through Chhatrapati Shivaji Maharaj International Airport (CSMIA), seizing 3.2 kilograms of smuggled foreign-origin gold dust in wax form worth Rs.5 crore and arresting seven persons, including three foreign transit passengers, three airport staffers and an intended receiver. The operation, internally codenamed 'Operation Golden Nexus', was carried out on Saturday and culminated in the arrest of a Bangladesh national, two Sri Lankan nationals, three airport employees and a local receiver allegedly linked to the smuggling network, DRI officials said on Sunday. According to investigators, the three foreign nationals had arrived from Bangkok, Thailand, and were transiting through Mumbai when they allegedly smuggled gold into India by concealing it inside their bodies. The arrested airport staffers included two bus/coach drivers and a bus/coach monitor, one of whom was identified as Ajit Achrekar. The DRI said the operation was launched following specific intelligence inputs indicating that certain airport employees were allegedly facilitating the collection and removal of smuggled gold brought into the country by Bangladeshi and Sri Lankan transit passengers arriving from Bangkok. Officials said the intelligence suggested that after the passengers brought the contraband into the airport, selected staffers allegedly helped remove it from the premises and deliver it to local handlers and receivers outside the airport. Acting on these inputs, DRI officers allegedly intercepted the airport staffers....