UNB, Dhaka :Dhaka University authorities have suspended assistant professor of the Department of Law Azharul Islam for allegedly tempering mark sheets.The decision came at a syndicate meeting held on Tuesday evening. The action was taken against Azharul after the allegation was primarily proved against him, said DU Vice-chancellor Prof Dr Arefin Siddique.He also said a five-member probe committee has been formed to look into the allegations that the teacher provides marks to students at his will.