West Pakistan the state capital was moved from Karachi to Army Generals Combatant Headquarters (The GHQ) at Rawalpindi in 1959, whilst the federal legislature was moved to Dacca. In 1963, Rawalpindi had become ineffective as a federal capital; a new city was planned and constructed, finally completing in 1965. In 1965, the state capital was finally re-located in Islamabad. On contrary perception, the provinces did not benefit from economic progress, but the One Unit program strengthened the central government. In West Pakistan, the four provinces also struggled hard for the abolition of One Unit which caused injustices to them as it was
Capital Development Authority (Islamabad) Capital Development Authority (Islamabad) Capital Development Authority (, abbreviated as CDA), is a public benefit corporation responsible for providing municipal services in Islamabad Capital Territory. The CDA was established on 14 June 1960 by executive order entitled "Pakistan Capital Regulation". As of 2016, most of CDA's municipal services and departments have been transferred to the newly created Islamabad Metropolitan Corporation, although CDA is still in charge of estate management, project execution and sector developments. Yahya Khan was designated its first Chairman, when he was a Lieutenant General. The Capital Development Authority developed the CDA Model School in Islamabad in 1970.