Maharashtra chief minister Uddhav Thackeray on Monday inaugurated the trial run for Metro 2A and Metro 7 corridors. Photo: Satej Shinde

Metro Line 7 from Andheri (East) to Dahisar (East) is 16.475-km long elevated corridor with 13 stations. Photo: Satej Shinde

Maharashtra chief minister Uddhav Thackeray, Deputy CM Ajit Pawar and other dignitaries at the inauguration of the trial run for Metro 2A and Metro 7 corridors. Photo: MMRDA

The construction work on these two lines started in 2016 and the MMRDA had planned to complete the project in five years. Once operational, both the Metro lines would prove beneficial for commuters between Andheri and Dahisar. Photo: Nimesh Dave

Metro Line 2A from Dahisar to D N Nagar is 18.589-km. long elevated corridor with 17 stations. Photo: Satej Shinde

According to officials, Metro line 2A and 7 trials will go on for four-five months after which the first phase will start in October and both the lines would be completely operational by January 2022. Photo: Nimesh Dave

Chief minister Uddhav Thackeray flags off the trial runs for the city's 2A Yellow Line and 7 Red Line, both elevated Metros. Pic: Satej Shinde

The Mumbai Metro lines 2A and 7 were sanctioned by the government on October 6, 2015 and the bhoomipujan was performed by Prime Minister Narendra Modi on October 11, 2015. Photo: Nimesh Dave

Metro Line 7 shall provide interconnectivity among the existing Western Express Highway, Western Railway, Metro Line 1 (Ghatkopar to Versova), the ongoing Metro Line 2A (Dahisar to D N Nagar) and the proposed Metro Line 6 (Swami Samarth Nagar to Vikhroli). Photo: Satej Shinde

Metro Line 2A shall provide connectivity between the Western, Central Mumbai and the Northern suburban Mumbai. A view of Akurli station from outside. Photo: Satej Shinde