Broken pipes and damaged cables might just be a thing of the past with the corporation planning to use a ground-penetrating radar ...http://timesofindia.feedsportal.com/c/33039/f/533979/s/377db698/sc/22/l/0Ltimesofindia0Bindiatimes0N0Ccity0Cchennai0CRadar0Eto0Ehelp0Eroad0Ediggers0Estay0Eclear0Eof0Ecables0Carticleshow0C30A970A5580Bcms/story01.htm