Boring by TBM Kaveri will start in September.
https://www.livechennai.com/detailnews.asp?newsid=68091
Tunnel Boring for Greenways Road Metro Extension Begins in September
https://www.livechennai.com/detailnews.asp?newsid=68091
Tunnel Boring for Greenways Road Metro Extension Begins in September
www.livechennai.comTunnel Boring for Greenways Road Metro Extension Begins in September