After being deferred once, Noida-Greater Noida Metro Rail also called the Aqua Line saw the light of the day with chief minister of Uttar Pradesh Yogi Adityanath's inaugurating it on Friday. There are a total of 21 stations on the corridor, 15 of them in Noida and six in Greater Noida. The Aqua Line would run between the Sector 71 station in Noida and the Depot Station in Greater Noida. The Noida Metro Rail Corporation (NMRC) had earlier announced fares for the line, with minimum being Rs 9 and the maximum of Rs 50. Commuters could buy QR-coded paper tickets or use smart cards on the 29.7-km-long network, officials said. Smart card users will get a 10 per cent concession on fares.