
Kolkata Metro Extension
Connecting Howrah to Salt Lake under one of India's most complex urban cores.
The East-West Metro in Kolkata required tunnelling beneath the Hooghly river — a first in India. Cemindia's package included underground station construction and tunnel lining works across the Howrah corridor. Ground conditions in central Kolkata posed extreme engineering challenges requiring precision grouting and real-time settlement monitoring throughout.

Kolkata Metro Extension

Kolkata Metro Extension

Kolkata Metro Extension
Technology Used
- Slurry TBM for river crossing
- Compensation grouting
- Segment lining erection
- Real-time settlement monitoring

