About this project
16.6 km corridor — India's first underwater metro — connecting Howrah Maidan to Salt Lake Sector V via a 520-metre tunnel beneath the Hooghly River. Central section opened March 2024.
Project data
CategoryMetro Rail
StatusPartially Open
CityKolkata, West Bengal
Start dateFeb 2009
Target dateJun 2025
Progress82%
ContractorKMRC / Afcons / RITES
Data source
KMRC ↗