\ Besides this, there are three Metro corridors in Besides this, there are three Metro corridors in\Mumbai with a total investment of Rs 61,289 crore.\ These include – 18.5 Km, Rs 6,410 crore Dahisar to D N\Nagar Metro 2A corridor, the Colaba-Bandra-SEEPZ Metro 3\corridor is 33.5 Km and costs Rs 23,136 crore and the 16.5 Km\Dahisar East to Andheri East Metro 7 corridor costs Rs 6,208\crore. PTI MM NRB BSA\BAS\