In all, 1,070 grams was seized from him. The value of the contraband has been put at Rs. 28.19 lakh.He was a frequent flyer to Chennai and Tiruchi, sources further said. A Sri Lankan national was arrested by the Customs authorities at the international airport in Tiruchi after he was found smuggling a little over one kg of gold in various shapes in the rectum.The Air Intelligence Unit (AIU) of the Customs caught Prasad Indika (43) after he landed in Tiruchi from Colombo by a Sri Lankan Airlines flight UL-133 last afternoon, The Hindu newspaper reported. During inquiry, it was found he had concealed the gold in his rectum. The concealed gold was in various shapes — in cylindrical form besides a couple of gold biscuits, a chain and a ring, sources said. Airport sources said the officials grew suspicious by his walking style and detained him for questioning.