Mumbai’s Aqua Line, the city’s first underground metro, will soon connect SEEPZ to BKC, covering 33.5 km with 27 stations. Operational from 6:30 a.m. to 11:00 p.m., it aims to reduce traffic congestion and improve commuting. Begun in 2013 and costing Rs 37,276 crore, the Delhi Metro Rail Corporation will manage operations for ten years.

Source:  https://timesofindia.indiatimes.com/city/mumbai/mumbais-first-underground-metro-line-know-its-routes-timings-and-stations/articleshow/112137549.cms