Gujju Gopala Krishna Reddy (75), a resident of Kakinada Suryanarayanapuram area, was killed by his own son, here on Tuesday. According to the police, Mr. Suryanarayana is living along with his wife at his Third son Bhanu's house in Athmavari street, Suryanarayanapuram. His first son Srinivasa Reddy living at Sarpavaram rural area and his Second son Kurma is living at Kondamma st in Suryanarayanapuram area. On Tuesday night, Gopala Krishna Reddy has went to his second son Kurma's house along with his wife to bring his things, but Kurma is not available at his home at that time, so that his wife quarrelled with them not to take the things. Then they went back to their third son's home, later, listening to his wife, Kurma came to his brother's home and quarrelled his father. It lead to serious fight between them and finally Kurma beat his father severely. He was immediately taken to the Government General Hospital, but he dead as he was severely injured, sources said. 3 Town SI Govinda Rao has filed the case and started investigation on this.