Pakistan five-year term on 15 November 2007, the new elections were called by the Election Commission. After the assassination of Benazir Bhutto in 2007, the PPP secured the most votes in the elections of 2008, appointing party member Yousaf Raza Gillani as Prime Minister. Threatened with impeachment, President Musharraf resigned on 18 August 2008, and was succeeded by Asif Ali Zardari. Clashes with the judicature prompted Gillani's disqualification from the Parliament and as the Prime Minister in June 2012. By its own financial calculations, Pakistan's involvement in the war on terrorism has cost up to ~$118 billion, sixty thousand casualties and
Principal Secretary to the Prime Minister of Pakistan Principal Secretary to the Prime Minister of Pakistan The Principal Secretary to the Prime Minister of Pakistan (also referred to as PSPM) is the administrative head and highest-ranking official of the Prime Minister's Office. The position holder is usually an officer belonging to the Pakistan Administrative Service serving in BPS-22 grade. The Principal Secretary advises and assists the Prime Minister on all the official business routed through the PM Office, and because of this the PSPM is generally regarded as the most crucial aide to the Prime Minister. The current Principal Secretary to the Prime Minister is Muhammad Azam Khan.