<br/>Australian authorities on Thursday arrested a couple in connection with the killing of an Indian. Victim Ranjodh Singh's partially burnt body was found dumped by the side of a road in the New South Wales Riverina in December last year.<br/>According to police, a 23-year-old man and his 20-year-old wife were arrested at two addresses in Sans Souci in Sydney on Thursday morning. Victim was last seen on the streets of Griffith three nights before his body was found.