6 consortia responded to the RFQ:
- CINTRA-SOMA-SREI;
- Gammon Infrastructure-OHL Concessions-G S Engineering;
- GMR Infrastructure-L&T Ltd-Samsung C&T Corp;
- IL&FS Transportation Networks-Unity Infrastructure-Navayuga Engineering-Rizzani de Eccher;
- IRB Infrastructure Developers-Hyundai;
- Tata Realty and Infrastructure-Autostrade Indian Infrastructure Development-Vinci Concessions Development