Construction Four laning of N. Kawnpui (N. Mualvum) –Mualkhang via Khamrang Village section (Package-7) of NH-6 from Existing Chainage km 127+200 to km 142+000 (Design Chainage km 111+850 to km 123+400) on Silchar – Vairengte – Sairang road in the State of Mizoram on EPC mode & Construction of Four Laning of Mualkhang – Sairang Section (Package 8) of NH-6 from existing chainage km142+000 to km158+900 (Design Chainage km 123+400 to km 136+260) on Silchar-Vairengte – Sairang road in the state of Mizoram on EPC mode