Mumbai, Sept. 11 -- Trial runs for two Metro lines - Metro 2A (Dahisar-DN Nagar) and Metro 7 (Dahisar East-Andheri East) - will commence from January 14, 2021, said commissioner of Mumbai Metropolitan Region Development Authority (MMRDA) RA Rajeev on Thursday. Commercial operations for the two lines are expected to start from May 2021....