In January 2011, a contract for design and construction of track works was awarded to a joint venture of L&T and Alstom and a contract for supply of lifts and escalators was awarded to a joint venture of Johnson Lifts and SJEC Corporation. In February 2011, contracts were awarded for the construction of underground sections of the first phase. The contract for power supply and overhead electrification was awarded to Siemens for . Contracts for automatic fare collection (AFC), tunnel ventilation and air conditioning were awarded to Nippon Signal, Emirates Trading Agency and Voltas for , and .