Kamal, a Delhi resident, was carrying 1,600 Sony memory cards for Cybershot cameras, 3,200 game processors and other electronic items worth Rs 26.62 lakh, they said.
The passenger had arrived from Guangzhou, China.
"While passing through Green Channel, on suspicion he was diverted and his baggages was scanned and some dutiable items appeared in the image. Electronic goods valued at Rs 26.62 lakh were recovered after a body search was carried out on him and his baggage," said Arun Kumar, Additional Commissioner, Customs (IGI Airport and T-3).
Kumar said that Kamal was arrested and further probe in the case is in progress.
Customs officials had on Sunday arrested two men from the IGI airport for allegedly trying to smuggle memory cards worth over Rs 1.30 crore.
The accused -- Amrit Pal Singh and Kamal Chadha, who had come from Hong Kong -- were carrying 74,250 2GB memory cards worth Rs 1.33 crore by hiding them in a well-stitched cloth zipper jacket.
Customs officials have arrested three more passengers with memory cards worth Rs 55.50 lakh since April. "All of them had come from Hong Kong," the official said.