Ganapathy, a resident of Velachery here, suddenly collapsed when he was waiting for immigration clearance. A doctor who examined him said he died due to cardiac arrest, they said.
After a police probe, the body was handed over to the relatives who had arrived to receive him, they added.
Meanwhile, the body of the student, who died last week in New Zealand, arrived here this morning.
A resident of Mogappair here, Balaraman, who was studying in New Zealand, had died after drowning in a swimming pool.