Source – indiatoday.in If things work as planned, Mumbai will have at least two operational metro lines in 2020 connecting the western suburbs of the city. The two corridors, Metro Line-2A (Dahisar-DN Nagar) and Metro Line-7 (Dahisar East-Andheri East), are proposed to be commissioned simultaneously in 2020, the Mumbai Metropolitan Region Development Authority (MMRDA) said