[5] Sreedharan handed over charge as managing director of the Delhi Metro Rail Corporation to Mangu Singh on 31 December 2011.

[10] The Delhi Metro Rail Corporation received Outstanding PSU of the Year (2016) award conferred by All India Management Association (AIMA).

The Delhi Metro Rail Corporation was also awarded for its "Outstanding Contribution" for promoting world-class services in Urban Transportation and adopting best practices of Project Management.

[12] The Delhi Metro Rail Corporation also provides lighter consultancy operations, such as preparation of DPRs and feasibility reports for proposed systems in places such as Raipur, Amritsar and Nagpur.

[13] The Delhi Metro Rail Corporation also serves as consultant and prepared the DPR for the proposed Thiruvananthapuram - Mangalore High-Speed Passenger Corridor.

In September 2012, the Delhi Metro Rail Corporation entered into a partnership with eight other international companies for management consulting for the Jakarta Mass Rapid Transit system.