Dhaka University sociology professor Dr Mashiur Rahman has been appointed National University (NU) vice-chancellor for four years. Dr Mashiur, who previously served as NU pro-vice-chancellor, will replace Dr Harun-or-Rashid who completed his second term on March 5. READ: National University starting online classes The education's ministry's Directorate of Secondary and Higher Education issued a notice Sunday, formalising Dr Mashiur's appointment.   READ: National University postpones Saturday’s exams The academic earned a doctor of philosophy degree from Sweden's Lund University and also did his post-doctorate there. READ: National University postpones Sunday’s exams