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Thane-Borivali twin tunnel project gains momentum as CM launches TBM 'Nayak'
Updated On: 07 April, 2026 05:58 PM IST | Mumbai | mid-day online correspondent
Maharashtra CM Devendra Fadnavis launched TBM ‘Nayak’, India’s largest hard rock tunnel boring machine, for the MMRDA’s Thane-Borivali twin tunnel project. The 11.84-km corridor will cut travel time between Thane and Borivali from 60-90 minutes to just 15 minutes

‘Nayak’ is one of India’s largest single-shield hard rock TBMs with a 13.34-metre cutterhead diameter. Pic/MMRDA
In a major infrastructure push, the Maharashtra government launched the tunnel boring machine (TBM) ‘Nayak’ for the Mumbai Metropolitan Region Development Authority’s (MMRDA) flagship Thane–Borivali Twin Tunnel Project. The ceremony was attended by Maharashtra Chief Minister (CM) Devendra Fadnavis, Deputy CMs Eknath Shinde and Sunetra Pawar, along with senior government and Mumbai Metropolitan Region Development Authority (MMRDA) officials.
MEIL Managing Director Krishna Reddy, Director Subbaiah, and MMRDA Commissioner Sanjay Mukherjee were also present during the commissioning of ‘Nayak for the commencement of large-scale tunnelling of the transformative infrastructure project.

