After 498 days of excavation via the New Austrian Tunnelling Method, the Mumbai Metro Rail Corporation (MMRC) has finished the excavation work of scissor crossover NATM tunnel in Package 6 at Sahar Road metro station on the Metro 3 (Colaba--Bandra--SEEPZ).

https://www.freepressjournal.in/mumbai/mmrc-does-100-excavation-ofscissor-crossover-via-natm-tech