Mohd Riyaz, who belongs to Tamil Nadu, was found to have concealed eight out of the twelve gold biscuits, each weighing 116 gms, in his rectum and the rest in his socks, according to a Customs official.
Riyaz, a frequent flyer, had landed from Dubai when he was intercepted by the sleuths on a tip-off, he told PTI.
The biscuits weighed 1.4 kgs and were collectively valued at Rs 40 lakh, the official added.