The heavy rain forecast in the city over the next few days is expected to affect metro rail schedules. http://timesofindia.feedsportal.com/c/33039/f/533979/s/4b8cd816/sc/7/l/0Ltimesofindia0Bindiatimes0N0Ccity0Cchennai0CMetro0Erail0Ework0Emay0Etake0Ea0Ehit0Eif0Edownpour0Econtinues0Carticleshow0C4980A93480Bcms/story01.htm