Passengers fist day of travel metro train running through the tunnel decorated with blue lights to mark the lower part of the river Ganges after commencement of its commercial services in Kolkata. Hundreds of commuters thronged the stations in the early morning to be part of the "first-day first underwater metro" bandwagon. People were seen clapping and raising 'Vande Bharat' and 'Bharat Mata ki Jai' slogans as they travelled in the country's first underwater metro train, an engineering marvel. A train began its journey from the Howrah Maidan station on the East-West metro corridor of Kolkata at 7 am today. Simultaneously another train started from Esplanade station at the same time.