One kg gold, valued at Rs 26 lakh, was seized from a private airlines flight after it arrived at Netaji Subhas Chandra Bose International Airport here from Bangkok today.
An airport customs official said the gold was found concealed in the side panel of a seat while screening the aircraft.
There were no claimants for the gold, he said.
The value of the seized precious metal was put at Rs 26 lakh, the official added.