LAHORE - Punjab University will remain closed from July 28 to August 1 in connection with Eidul Fitr. However, staffs of university health centre, essential services, gardening staff, sanitary workers, guards etc, of Resident Officer-I and Resident Officer-II, staff of Chief Engineer as well as the staff of Punjab University Executive club will remain on duty on August 14 in lieu of extra holiday of July 28.