The oath-taking ceremony was held at the Supreme Court on Thursday, where Justice Jamal Mandokhail administered the oath to Justice Munib Akhtar.
Supreme Court judges, court staff and other prominent personalities attended the ceremony.
Chief Justice Yahya Afridi is expected to return from his private visit to England on October 21, after which he will resume his duties.
In the meantime, Justice Munib Akhtar will perform the responsibilities of acting chief justice and oversee judicial affairs.
