India, Feb. 4 -- The National High Speed Rail Corporation Limited (NHSRCL) is still awaiting three tunnel boring machines (TBM) from China which will be used to construct the 21-kilometre tunnel between Shilphata and Bandra Kurla Complex (BKC) on the Mumbai-Ahmedabad bullet train corridor.

"Of the three TBMs required for tunneling works, we have received over 60% of the parts for the first TBM. The remaining portions of this TBM are expected to arrive in the coming days. Two other TBMs are still stuck in ports in China," an official from NHSRCL told Hindustan Times, requesting anonymity.

The three TBMs were manufactured and assembled at Herrenknecht AG's China unit nearly two years ago, in mid-2024. There is no clarity on when the other...