The East-West Metro project, connecting the twin cities Kolkata and Howrah is being constructed by Kolkata Metro Rail Corporation (KMRC), which launched India’s fist metro project in 1984 with a North-South service.
The tunnel of the train is protected from water leaks by upto 3 layered tunnel, it also has pressure control and other many required peripherals. Note that a part of this train has started recently on feb 13 2020, but the full project will complete in 2021.
Japan International Cooperation Agency (JICA), which provided a soft loan of Rs 41.6 billion. KMRC will repay the JICA loan over a period of 30 years after an initial six-year moratorium.
KMRC is hoping to get the final installment of Rs 20 crore relased over the next two years from the Indian Railway Board.
Union Minister has announced that most of the work of India’s first underwater train has been completed and the train itself will be launched very soon to public – 2021.
India’s first underwater train will soon get started in Kolkata under the Hubli river. An example of impeccable engineering, this train is proof of the progress made by Indian Railways. This train will bring ease to the people of Kolkata and pride to the people of India.” Rail minister Piyush Goyal
The 16.6-km long Kolkata East West Metro project, to be completed by 2021, will have the county’s first underwater tunnel. The metro line has 520-metre twin tunnels built 30 metres below the riverbed.
However, the train will be under water for only about a minute when the train will be travelling from Howrah to Mahakaran metro stations.
The phase-one of the project between Salt Lake Sector-5 to Salt Lake Stadium is almost complete and will soon be operational.
According to Railways estimate the project will ferry an estimated one million passengers per day by 2035.
Research sources: https://economictimes.indiatimes.com