In January 2022, Chennai Metro Rail Ltd (CMRL) awarded ITD both packages of civil contracts totalling Rs. 3743.24 crores with a 48-month timeline.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.metrorailnews.in/itd-cementation-india-ltd-casts-first-tunnel-ring-segment-of-chennai-metro-line-4/
ITD Cementation India Ltd. casts first tunnel ring segment of Chennai Metro Line-4
www.metrorailnews.inITD Cementation started pouring concrete on 5th December to cast their first tunnel ring segment to construct Chennai Metro Line-4.