Kolkata Metro became the first metro rail in the country to make an under-river journey as its rakes passed through an underwater tunnel below the Hooghly River.
This rail system connects the Howrah station complex on the western bank of the Hooghly River to Armenian Ghat on the eastern bank.
Legendary singer Asha Bhosle to be felicitated with the Lata Deenanath Mangeshkar award.