Mantena Infrasol emerges as L1 bidder for implementation of Package-II of Aizawl Two Lane Bypass Project in Mizoram December 31, 2025 | Awarded, Project Updates Mantena Infrasol Private Limited has emerged as lowest bidder (L1) for implementation of Aizawl Two Lane Bypass (Tunnel) Project (Sairang-Phaibawk section) (NH-6) (Package-II). This content is restricted.