Assamese actress Sumi Borah, her husband Tarkik Borah, and scam kingpin Bishal Phukan were brought from Dibrugarh to Guwahati by the CBI on Saturday for court production. Previously held in Dibrugarh Central Jail, the trio was taken into CBI custody under a Special Court order. They are expected to undergo interrogation for further insights into the multi-crore online trading scam.