Mumbai Metropolitan Region Development Authority (MMRDA) Commissioner RA Rajeev, while interacting with the media on Thursday, said all important infrastructure projects including metro corridors are progressing with a good pace and in the coming months, the work on other corridors would also start.

Rajeev also announced that this year, work of four more metro lines would start and by December 2020, Dahisar Andheri-East metro line 7 and Dahisar-D N Nagar metro ine 2A would be operational for public.