Ircon International has been awarded the LOA for construction of Twin Tube Uni-directional Aizawl Bypass Tunnel of 2.5 km and its approaches of 2.1 km from km 10.600 to km 15.200 (Package-2) on Sairang – Phaibawk section of NH-6 in the State of Mizoram on EPC Mode at a quoted bid price of Rs. 630.66 crore.