President Arif Alvi on Wednesday gave the approval for the appointment of Justice Gulzar Ahmed as the new chief justice of Pakistan (CJP). Justice Gulzar will assume charge as the 27th chief justice of Pakistan on December 21 after Justice Asif Saeed Khosa retires. Gulzar, who hails from Karachi has been serving as a judge of the Supreme Court of Pakistan since November 16, 2011.