Mumbai’s ambitious Metro Line 3 project, also known as the Aqua Line, is on the cusp of a historic milestone. After more than eight years of complex construction and an investment of Rs 37,276 crore, the city’s first fully underground metro corridor will be fully operational from October 9, 2025.

Phase 1 of the project, covering the 12.69-kilometer stretch from Aarey Colony to Bandra-Kurla Complex (BKC), was opened to the public in October 2024. Following this, Phase 2, which extends 9.8 kilometers from BKC to Worli, was launched in May 2025. The final phase will be inaugurated on October 8. Services on the full stretch will commence from October 9.

The Mumbai Metro Rail Corporation Limited (MMRCL) announced on September 7 that the Commissioner of Metro Rail Safety (CMRS) has granted cle

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