KOLKATA (Metro rail News): Kolkata Metro displayed a major engineering excellence as Tunnel Boarding Machine (TBM) ‘Durga’ achieved breakthrough by constructing an underground tunnel from Kidderpore to Victoria Station on the Purple Line.
On 10 July the TBM Durga reached Victoria Metro Station at 10:30 AM tunneling through a complex underground route.
The video of the tunnel breakthrough was posted on X (formerly Twitter) by Union Railway Minister Ashwini Vaishnaw:
The 18.84 Km-long Purple Line corridor connects Joka with Esplanade. Currently, the purple line is partially operational with an approximately 7.74 km long fully elevated stretch connecting Joka and Majerhat. The work is under progress in the Majerhat to Esplanade section, while another project was proposed connecting Joka and Diamond Park.
The weekly brief metro & rail professionals read.
The construction for the underground tunnel from Kidderpore to Victoria Station began exactly a year ago on 10th June, 2025. Once completed, the corridor is expected to improve connectivity between south and central Kolkata.
Mr Prem Sagar Gupta, the General Manager of Metro Railway, Kolkata praised the work of project personnel for ensuring safe, methodical and efficient construction without interrupting the surface traffic mobility.
Also Read: Central Railway commissions indigenous KAVACH safety system along 149-KM route in Solapur division