Pramod, a resident of Mahipalpur, was doing some work on the roof of the Import hall no 3 of the cargo terminal yesterday when the accident occurred.
"Suddenly the plastic roof of the hall caved in and he fell from a height of 20 feet on the roof of a strong room," a senior police official said.
He was rushed to Indian Spinal Injuries Centre in Vasant Kunj were he was declared brought dead, he said, adding further investigations were on.
Pramod was not an airport employee.