India, Oct. 27 -- An Indian national has been arrested at Delhi's Indira Gandhi International (IGI) airport by the customs department for trying to smuggle in gold worth Rs.18 lakh inside the cap of a plastic water bottle, officials said on Sunday.

The incident occurred on Saturday when the passenger arrived at Terminal-3 via Air India flight AI-996 from Dubai. Based on a tip-off, customs said, an official discreetly followed him from the flight gate before being stopped at the exit of the green channel.

"The man was asked to undergo a baggage and physical inspection. During an X-ray of his baggage, officers noticed suspicious images and decided to examine his belongings further," said a customs official.

Upon carrying out a detailed i...