The first phase of Mumbai's first underground Metro or aqua line between Aarey Colony and Bandra-Kurla Complex is set to begin operations in the first week of October. The 12.5 km stretch between Aarey Colony and BKC is part of the 33.5 km Colaba-Seepz-Aarey Metro Line 3. Addressing a press conference, Ashwini Bhide, managing director for Mumbai Metro Rail Corporation (MMRC), said the Metro Line 3 is poised to be commissioned very soon, subject to clearance by the Commissioner of Metro Railway Safety (CMRS).