The National Capital Region Transport Corporation has awarded a contract to which of the following companies for the construction of a 5.6-kilometer, underground stretch, from New Ashok Nagar to Sahibabad, of the Delhi-Meerut RRTS project?

• A. Straits Construction
• B. Tiong Aik Construction Limited
• C. Shanghai Tunnel Engineering Company Limited
• D. GS Engineering and Construction Corporation
• E. Obayashi Singapore Private Limited