Permanent Judge of the Supreme Court of Pakistan on 10 December 1989, Member of the Committee on Arms Control and Disarmament Law of the International Law Association; participated in Symposium under the Auspices of International Law Association held at Geneva on 9 & 10 June 1995, on the subject or "ONGOING PROLIFERATION CHALLENGES: Legal Aspects”; attended Seminar on “The Rights and Duties of States” that have signed or ratified the Chemical Weapons Convention, on 2 July 1997, at The Hague, Netherlands; contributed an Article published in Volume III of Arms Control and Disarmament Law titled "Future Legal Restraints on Arms Proliferation" published by the United Nations and launched at United Nations Headquarters in November 1996; Member of the Executive Council of Allama Iqbal Open University from September 1996 to December 1997; Chairman, Pakistan Zakat Council from August 1991 to July 1994. Appointed Acting Chief Justice, Supreme Court of Pakistan, for the period from 28 February 1997 to 4 March 1997, then from 30 May 1997 to 19 June 1997, and again from 10 October 1997 to 13 October 1997 and finally from 3 December 1997 to 23 December 1997; Justice Mian, who took administrative control of the apex court as Acting Chief Justice of Pakistan after a judicial order passed by a 10-member bench. The 10-member bench directed Justice Ajmal Mian to discharge administrative as well as judicial functions of chief justice of the Supreme Court, including the constitution of benches as the appointment of Acting Chief Justice would take some time. Role of Mr Ajmal Mian was controversial here, as he effectively allowed a coup to occur within the supreme court of Pakistan against a sitting chief justice. The court also directed the office not to take any further orders for constituting benches from the chief justice (under restraint) and orders regarding day-to-day working and administration of the court should be obtained from Justice Ajmal Mian till the appointment of Acting Chief Justice. After this order by the 10-member bench headed by Justice Saeeduzzaman Siddiqui, Justice Ajmal Mian took administrative control of the Supreme Court and fixed a new roster and issued a new cause-list. Justice Ajmal Mian constituted six benches including the 10- member bench headed by Saeeduzzaman Siddiqui which would continue hearing the petitions challenging the appointment of Justice Sajjad Ali Shah as Chief Justice of Pakistan. The 10-member bench also took up the petition challenging the