Mumbai Metro's red line 7 and yellow line 2A are likely be operational within the next three to four months, informed the Mumbai Metropolitan Region Development Authority (MMRDA) on Tuesday. The work on Mumbai Metro's line 7 from Andheri East to Dahisar East (red line) and line 2A from Dahisar West to DN Nagar (yellow line) started in 2016 and the two lines were scheduled to be inaugurated in December 2019. (Video credit: ANI)