The Cabinet Division issued a notification on the revised national programmes of the Genocide Day and Independence Day on Thursday.
Some other programmes will continue as usual, it said.
The death toll from coronavirus or Covid-19 has reached 4,633 globally as of Thursday.
Besides, it has infected 126,367 people around the world, according to worldometer.
The Institute of Epidemiology, Disease Control and Research (IEDCR) on Sunday announced that three people were detected with coronavirus in Bangladesh.
As per the revised programmes, a one-minute 'blackout' programme will be observed on the night of March 25, marking the 'Genocide Day'. The ‘blackout’ programme will from 9pm.
Special prayers will be held on March 25 night across the country seeking peace of the departed souls of those were systematically killed on that night.
On March 26, the government and private institutions will host the national flag after sunrise marking the Independence Day.
President Abdul Hamid and Prime Minister will issue separate massages on the occasion.
The national flag will be hoisted atop government and private buildings while the government and semi-government buildings and other public places will be illuminated.
National dailies will bring out special supplements while Bangladesh Betar, Bangladesh Television, private radio stations and television channels will air special programmes highlighting the significance of the day.
Special prayers will be offered at all mosques, temples, churches and other places of worship across the country seeking divine blessings for the eternal peace of the departed souls of Father of the Nation, four national leaders, martyrs of Liberation War and all other patriotic sons of the soil.
Improved diets will be served to the inmates of jails, hospitals, old homes and other public institutions to mark the day.
There will be no mass rally or gathering on the Independence Day, said the Home Minister Asaduzzaman Khan Kamal on Wednesday. No cultural programme will be held outdoors on that day.
Besides, measures will be taken to maintain security at Savar National Mausoleum as the President and Prime Minister will go there. The number of guests will be limited there.