Prime Minister Narendra Modi inaugurated the new Chennai Metro corridor.
The corridor connects Poonamallee and Vadapalani, spanning roughly 15 km.
Eleven elevated stations are part of the new line.
A unique 3.7 km double‑deck structure is included in the design.
Driverless operation is possible thanks to modern signalling systems.
Service hours start at 7 am and end at 9 pm from October 12.
The line runs from Poonamallee to Vadapalani, covering about 15 kilometres with eleven stations.
It includes a 3.7 kilometre double‑deck section, allowing two levels of tracks.
Advanced signalling technology enables driverless train operation.
Regular service began at 4 pm on Sunday and will operate from 7 am to 9 pm starting 12 October.
The project cost around 4,900 crore Indian rupees.
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