Product Detail :
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Construction of underground stations at kolathur, srinivasa nagar, villivakam sub-urban station, villivakam bus-terminus and nathamuni with entry / exit, ventilation shafts, plumbing, earthmat, architectural finishes including signages etc. including twin bored tunnels from kolathur retrieval shaft to nathamuni launching shaft and ramps with u - section in corridor-5 of cmrl phase-ii project.
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