The four Undang (customary chiefs) of the luaks, together with the Tunku Besar of Tampin, will not attend the Royal Opening Ceremony of the First Sitting of the 15th Negeri Sembilan State Legislative Assembly (DUN), scheduled to be officiated by the Yang di-Pertuan Besar, Tuanku Muhriz Ibni Almarhum Tuanku Munawir, on Thursday. Bernama FILE PIX