Rourkela : Rail traffic was affected following derailment of a goods bogie of Ahmedabad-Howrah Express near Sonakhan station on Rourkela-Rajgangpur section of South-Eastern Railway today, railway sources said.There were no injuries as the bogie, attached on rear of the long distance down train, got derailed, Pratap Swain, sub-divisional police officer, GRP, said."No one was injured following the incident nor any damage caused to other compartments of the train," he said.