A three-member bench headed by senior judge Justice Jawad S Khawaja' in its order, directed the government to pursue investigation against Musharraf under the constitutional provisions in high treason case and complete the investigation in the minimum possible time.
The judge asked the government to complete the investigation in the case without unnecessary delay.
Neither the government nor the court set any deadline for completion of probe by the investigators of Federal Investigation Agency (FIA), which may lead to framing of treason charges and institution of proceeding in a court of law.
Under the law, only federal authorities can order proceedings for treason. The treason under article 6 carries maximum death sentence.
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The court also disposed off several petitions seeking launch of treason case against 69-year-old Musharraf for abrogating the Constitution in 2007.
The petitioners had asked the court to issue a directive to the government to try Musharraf for treason under article 6 for suspending the Constitution.
Prime Minister Nawaz Sharif had announced on June 24 that Musharraf will be tried for treason under Article 6 for subverting the constitution twice.
Musharraf took government in 1999 by deposing Sharif and remained in power till 2008.
Musharraf may become the first dictator in Pakistan's history to face trial for high treason in the country that has witnessed three military coups in its 66-year history. Musharraf had come to power in 1999 by deposing Sharif's last government in a coup.