The Noida Metro Rail Corporation (NMRC) has invited bids to appoint a Detail Design Consultant (DDC) for three Aqua Line extension projects, Sector 51 to Knowledge Park V, Sector 51 to Sector 142, and Depot to Boraki. Together spanning 31.6 km with 21 stations, these elevated corridors aim to boost Noida-Greater Noida connectivity and improve integration with Delhi Metro.