The students gave the ultimatum at a press conference held at Chaal Chattar area on the campus around 11:30am.
After the press conference, the students brought out a protest rally from Daina Chattar area which ended in front of the administration building after parading main roads of the campus.
Also read: IU students demand reopening of halls
They also observed a sit-in programme there to press home their demands.
Students will face session jams as the university has been kept closed for a long time due to the pandemic, the agitating students said.
The students demanded the university authorities to continue its bachelors' and Master’s final examinations.
Earlier, on Monday, Education Minister Dipu Moni said classes in all the public and private universities will resume on May 24.
The residential halls of the universities will be reopened on May 17, said the Minister while addressing a virtual press briefing.
However, the online classes will continue but no examination will be held before the reopening of the universities, the minister added.
Also read: RU students give 24-hr ultimatum for hall reopening
Closure of educational institutions
The government shut all the schools and educational institutions on March 17 last year after the country confirmed its first Covid-19 cases on March 8.
The closure was extended several times, most recently until February 28 this year, to protect the students from the virus infections.
Online classes are going on at different educational institutions.
Also read: Covid-19: Educational institution closure extended until Feb 28
The decision of reopening public universities came amid demonstrations by students of different public universities, including Jahangirnagar University and Rajshhai University, demanding the reopening of dormitories.
Besides, the Covid-19 situation has been improving in Bangladesh steadily in recent weeks. Meanwhile, a countrywide vaccination drive was launched on Feb 7.