 Launched in mid-80's originally as a day train between Coimbatore Junction and Madras Central, with Air-Conditioned Chair Car and Second Class Sitting coaches to run opposite Kovai Express was changed to run night time with Sleeper Coaches.Train Number 12673 runs from Puratchi Thalaivar Dr. M.G.Ramachandran Central Railway Station to Coimbatore Junction while 12674 runs from Coimbatore Junction to Puratchi Thalaivar Dr. M.G.