Life under the river: How the east–west metro is redrawing Kolkata’s daily map

Kolkata's new East-West Metro, the Green Line, has revolutionized city travel with its groundbreaking underwater tunnel beneath the Hooghly River. This engineering marvel drastically cuts commute times between Salt Lake and Howrah, offering comfort and reliability. The line is already transforming daily life, easing congestion and connecting twin cities like never before.