Chennai Metro News: Faulty batteries, no backup, dark tunnel: How Chennai Metro plunged into early-morning chaos; video goes viral | Chennai News
CHENNAI: About 25 commuters were stranded in a metro train in the underground tunnel between Chennai Central and the Madras High Court stations in the early hours of Tuesday. The train stopped midway as the power supply to the controlling units was cut off. The commuters were made to walk through the tunnel to the…