Delhi Metro App Part-1
Goal: Design a new system that allows a daily user who uses the metro every day or an-out-of-town visitor who will use the metro just once to get access to the metro, on time, without having a physical Delhi MetroCard.
Goal: Design a new system that allows a daily user who uses the metro every day or an-out-of-town visitor who will use the metro just once to get access to the metro, on time, without having a physical Delhi MetroCard.