With the arrival of two more trains on Thursday taking the number to five, more than 50 pc trains required for the commissioning of phase one of the city's first underground Mumbai Metro Aqua Line 3 have now arrived. 

The plan is to throw open phase one between Aarey and BKC by December 2023 for which nine trains will be required. The entire corridor from Aarey to Colaba will have about 31 trains. The target for commissioning the entire corridor is in a year by December 2024.