TBM 'Durga' breaks through at Victoria on Kolkata Metro's Purple Line
Kolkata Metro's tunnel boring machine 'Durga' broke through at Victoria station on 10 July 2026, completing the Khidderpore–Victoria tunnel on the Joka–Esplanade (Purple Line) corridor.
Summary
Kolkata Metro's Tunnel Boring Machine (TBM) 'Durga' achieved its breakthrough at Victoria Metro Station, Kolkata, West Bengal, on 10 July 2026. The breakthrough completes one of the Khidderpore–Victoria underground tunnel drives on the Joka–Esplanade corridor of the Purple Line, exactly one year after tunnelling began on 10 July 2025. The Joka–Esplanade corridor will improve east-west connectivity by linking southern Kolkata with the central business district.
Key facts
- Date / place
- 10 July 2026, Victoria Metro Station, Kolkata
- Machine
- TBM 'Durga'
- Stretch
- Khidderpore–Victoria tunnel
- Corridor
- Joka–Esplanade, Purple Line
- Tunnelling began
- 10 July 2025
Practice MCQs 2 questions
TBM 'Durga', which achieved a breakthrough on 10 July 2026, is working on which Kolkata Metro corridor?
Show answer
Correct answer: B — Joka–Esplanade (Purple Line)
TBM 'Durga' completed the Khidderpore–Victoria tunnel on the Joka–Esplanade corridor of the Purple Line.
At which station did TBM 'Durga' make its breakthrough on 10 July 2026?
Show answer
Correct answer: A — Victoria
TBM 'Durga' successfully achieved its breakthrough at Victoria Metro Station.