As per the notice, All exams under National University dated 04/05/2019 has been postponed. The Date of those exams will be announced later.

National University Exam postponed Notice

Download the notice of National University about exam postpone.
Reasons for postponed Exams of NU
The main reason for changing the exam date of NU is the cyclone “Foni”. Accordion to weather report it will attract on Bangladesh on Saturday. For the reason, All the exams under National University has been terminated.
Possible date to held the Exams
The Date to held those exams has not been announced. The authority told that they will announce it later. The Possible date to held the exams is 19 May 2019.