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Tambaram to Chengalpattu: Railways approves 4th line project in Tamil Nadu – Here’s how it will improve regional connectivity

Tambaram to Chengalpattu new rail line approval: Indian Railways has approved the proposal to construct fourth line between Tambaram and Chengalpattu in Tamil Nadu. The area falls under the administrative control of Southern Railway (SR) zone.

The Tambaram to Chengalpattu fourth line project will be executed by Southern Railway.The Tambaram to Chengalpattu fourth line project will be executed by Southern Railway. (Image: Southern Railway)
Written by: Anish Mondal
3 min readOct 23, 2025 07:00 PM IST First published on: Oct 23, 2025 at 07:00 PM IST

Railway project in Tamil Nadu, Tambaram to Chengalpattu new rail line approval: Indian Railways has approved the proposal to construct fourth line between Tambaram and Chengalpattu in Tamil Nadu. This 30.02-km-long railway line will further improve regional connectivity and enhance smooth train operations. The area falls under the administrative control of Southern Railway (SR) zone.

Tambaram to Chengalpattu 4th line project cost

The Tambaram to Chengalpattu fourth line project will be executed by Southern Railway under Plan Head-15 (Doubling), identified as part of the ‘Energy, Mineral & Cement Corridor’ of Indian Railways. The railway project is estimated to cost Rs 713.56 crore at present, with the total expenditure expected to reach Rs 757.18 crore upon completion.

Anish Mondal is a journalist with over nine years of experience covering the railways and roadways. ... Read More

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