Assistant Commissioner Customs R S Meena said the Chinese national Lin Viyan Yuoung had come to the airport from Mumbai for boarding the MU-556 flight to Kunming scheduled for departure at 12.35 AM.
Customs sleuths notice a huge bag and on suspicion opened it to find more than 25 kg of red sandalwood.
He was arrested under Wildlife Protection Act and Foreign Trade Act and investigations are on.
The consignment of sandalwood costs is valued nearly Rs 30 lakh in China.