20 The Constitution of the Democratic Socialist Republic of Sri Lanka and the social product, so as best to subserve the common good; (f) the establishment of a just social order in which the means of production, distribution and exchange are not concentrated and centralised in the State, State agencies or in the hands of a privileged few, but are dispersed among and owned by, all the People of Sri Lanka; (g) raising the moral and cultural standards of the People and ensuring the full development of human personality; and (h) the complete eradication of illiteracy and the assurance to all persons of the right to universal and equal access to education at all levels. (3) The State shall safeguard the independence, sovereignty, unity and the territorial integrity of Sri Lanka. (4) The State shall strengthen and broaden the democratic structure of government and the democratic rights of the People by decentralizing the administration and by affording all possible opportunities to the People to participate at every level in national life and in government. (5) The State shall strengthen national unity by promoting co-operation and mutual confidence among all sections of the People of Sri Lanka, including the racial, religious, linguistic and other groups and shall take effective steps in the fields of teaching, education and information in order to eliminate discrimination and prejudice. (6) The State shall ensure equality of opportunity to citizens, so that no citizen shall suffer any disability on the ground of race, religion, language, caste, sex, political opinion or occupation.