Chennai Metro Rail
construction work at East Anna Nagar and Shenoy Nagar is going on in full
swing. Excavation is in progress for tunnel boring machines at Shenoy Nagar.
Diaphragm wall construction is in progress at underground stations in Anna
Nagar East, Anna Nagar Tower station and Thirumangalam station. Tunnel boring
machines are likely to start work at Anna Nagar by July 2012.