Sultan Nazrin Shah and Tuanku Zara Salim arrive at the Balairong Seri at Istana Iskandariah in Kuala Kangsar, Perak, for the investiture ceremony today. (Bernama pic)

KUALA KANGSAR: The level of attainment of the agenda to form a firmly united people to an independent and sovereign nation is still vague despite 62 years of liberty, said the Sultan of Perak Sultan Nazrin Shah.