The construction of the twin tunnels each 1.4km long between Thiruvanmiyur and SRP Tools on Old Mahabalipuram Road (OMR) begins in Chennai.
https://timesofindia.indiatimes.com/city/chennai/chennai-work-on-twin-metro-rail-tunnels-along-omr-will-begin-tomorrow/articleshow/85730718.cms
Construction of twin metro rail tunnels covering nearly 1.4km each between Thiruvanmiyur and SRP Tools on Old Mahabalipuram Road (OMR) will begin soon
https://timesofindia.indiatimes.com/city/chennai/chennai-work-on-twin-metro-rail-tunnels-along-omr-will-begin-tomorrow/articleshow/85730718.cms
Chennai: Work on twin metro rail tunnels along OMR will begin tomorrow | Chennai News - Times of India
timesofindia.indiatimes.comConstruction of twin metro rail tunnels covering nearly 1.4km each between Thiruvanmiyur and SRP Tools on Old Mahabalipuram Road (OMR) will begin soon