PUDUCHERRY: The Puducherry-Cuddalore highway remains submerged following heavy rains that caused water from Thenpennai river and irrigation channels to overflow, cutting off traffic on the Reddichavady to Mullodai stretch. “The highway was navigable when I travelled at 8:30 a.m., but by evening, floodwaters had taken over with water gushing,” Deputy Registrar Joseph Naresh S of Mahatma Gandhi Medical College and …