The 59-km long Majlis Park-Shiv Vihar corridor of Phase 3 consists of about 14 kms of underground lines. Presently, five other TBMs are working in different parts of the corridor across the city. In total, 19 TBMs are operational for the tunnelling works of Phase III at present.
DMRC is slated to construct 53 km of underground Metro lines as part of its Phase III construction work for which about 34 TBMs are expected to be used. A total of 74 tunnels will be constructed in this phase.