He was apprehended yesterday around 11 am when the Central Industrial Security Force personnel, deployed for the airport's security, found him roaming suspiciously inside the terminal building, a senior official in airport security said today.
The man was identified as Ukranie national S Podbolotnyy.
He told the CISF personnel that he had come to see off his woman friend, who was travelling to Almaty, the official said.
He told officials that he used a cancelled ticket to enter the airport terminal, he said.
Entering airport terminal without a valid ticket is illegal under Indian aviation rules.