Union Cabinet, chaired by the Prime Minister Narendra Modi, has approved the extension of Aqua Line Metro Rail Corridor from Noida Sector-51 to Greater Noida Sector-04 of Noida Metro Rail Project with corridor for a length of 8.449 Km with 5 elevated stations. On operationalization of this corridor, Noida and Greater Noida city will have 71.878 Km of active Metro Rail Network.