Chaudhry then took up several cases against the government and disqualified the then-Prime Minister Yousaf Raza Gilani on contempt of court charges. After Chaudhry's retirement in December 2013, his successor Jillani heard cases of public interest and individual complainants as a priority.
Mulk, who took the oath from President Mamnoon Hussain in the presence of Prime Minister Nawaz Sharif and his cabinet members, is expected to highlight the supreme court's role as a constitutional body in harmony with other state institutions.
For Pakistan to run smoothly, he said, state institutions must work together. "It is their (judiciary's) constitutional duty to desist from undue interference in the functioning of other pillars of state," he said according to a transcript released by the Supreme Court office.