The two-corridor project with an initial estimate of Rs 14,500 crore and is now expected to touch Rs 18,000 crore due to ...http://timesofindia.feedsportal.com/c/33039/f/533979/s/30782763/sc/2/l/0Ltimesofindia0Bindiatimes0N0Ccity0Cchennai0CFalling0Eslows0Edown0Emetro0Erail0Carticleshow0C2210A88440Bcms/story01.htm