the Prime Minister of Pakistan on 28 August 2004. National Assembly of Pakistan completed its Constitutional tenure on 15 November 2007. After the resignation from the post of Chief of Army Staff, Mr. Pervez Musharraf administered the oath of President of Islamic Republic of Pakistan on 29 November 2007. 2008 Election The date of next General Election was fixed for 28 January 2008. After the assassination of Muhtarma Benazir Bhutto on 27 December 2007, date of election was rescheduled for 18 February 2008. The first session of the National Assembly was held on 17 March 2008. Dr. Fehmida Mirza and Mr. Fasial Karim Kundi were elected Speaker and Deputy Speaker of the National Assembly respectively on 19 March 2008. Syed Yousaf Raza Gilani was elected the Prime Minister of Pakistan by the house on 24 March 2008 and unanimously obtained the Vote of Confidence from the house on 29 March 2008. Mr. Pervez Musharaf submitted his resignation from his office to the Speaker National Assembly on 18 August 2008 and Mr. Asif Ali Zardari was elected 13th President of Pakistan for next five years on 6 September 2008. President Zardari He addressed the Joint Session of the Parliament on 20 September 2008. President Asif Ali Zardari during his address to the Joint Session of the Parliament on 28 March 2009 asked the Speaker National Assembly to form a committee of both houses for the purpose of proposing amendments in the Constitution in the light of Charter of Democracy (COD). After consultation with the leadership of all political parties in the Parliament, Speaker National Assembly announced the Constitutional Reforms Committee (CRC) on 29 April 2009. After the marathon consultation in 77 meetings, CRC under the Chairmanship of Senator Raza Rabbani presented report of the committee on 18th Amendment in the Constitution to the Speaker National Assembly on 31 March 2010. The historic 18th Constitutional Amendment was presented and passed by the National Assembly on 8 April 2010 and Senate on 15 April 2010 respectively. After the assent of the president on 19 April 2010, 18th Amendments became part of Constitution of the Islamic Republic of Pakistan. 19th Amendment was passed by the National Assembly on 22 December 2010 and Senate on 30 December 2010 respectively. 19th Amendment became part of the Constitution after the assent of President Asif Ali Zardari on 1 January 2011. 20th Amendment was passed unanimously by National