They were released on Wednesday evening, Assistant Inspector General (AIG) of Tripura Police Subrata Chakraborty said. Share Via Email | A+A A- By PTI AGARTALA: Three construction workers who were kidnapped by insurgents of the banned National Liberation Front of Tripura (NLFT) from a village near the Indo-Bangla border in Tripura have been released, police said on Thursday. The workers engaged by National Project Construction Corporation Ltd (NPCC) for erection of border fencing at Maldapara village in Dalai district, under the jurisdiction of Ganganagar police station, about 140 km from here, were kidnapped on December 7, police said. They were released on Wednesday evening, Assistant Inspector General (AIG) of Tripura Police Subrata Chakraborty said.