A man and his son have been arrested at Delhi airport for allegedly trying to smuggle into the country gold worth about Rs. 54.7 lakh, an official statement said on Sunday. They were intercepted after their arrival from Dubai on Saturday. "The customs officers recovered 200 pieces, cut out of a cylindrical rod of gold, concealed in the beads of handcrafted artificial jewellery, total weighing 1.18 kg," it said.