Kolkata: Flagging off the Kolkata-Dhaka-Agartala bus service here on Thursday, West Bengal Chief Minister Mamata Banerjee said the initiative will turn the India-Bangladesh ties into an everlasting relationship.

"The launching of this service makes this day forever memorable and historically significant for both the countries," Banerjee said at the flagging off event at the state secretariat, Nabanna, in the neighbouring Howrah district.