Islamabad: Raja Pervaiz Ashraf, a member of Pakistan People Party was administered oath as the 23rd Prime Minister of the country on Friday here at Aiwan-e-Sadr.President Asif Ali Zardari administered the oath at a special ceremony. It was attended by Senate Chairman Nayyer Hussain Bokhari, Speaker National Assembly Dr Fehmida Mirza, former prime minister Syed Yusuf Raza Gilani, Governor Punjab Sardar Latif Khan Khosa, Governor Khyber Pakhtunkhwa Barrister Syed Masood Kausar, Chief Minister Khyber Pakhtunkhwa Amir Haider Khan Hoti,President of Azad Jammu and Kashmir (AJK) Sardar Muhammad Yaqoob Khan, Prime Minister of AJK Abdul Majid Chaudhry, Chief Minister Gilgit-Baltistan Mehdi Shah, senators, members of the National Assembly, Chairman Joint Chiefs of Staff Committee, services chiefs, diplomats, political leadership and a large number of party workers.