The country is set to stage a one-minute blackout on Sunday recalling the horror of the March 25, 1971 black night when the Pakistanis launched genocide on Bangladesh soil.
The blackout will be staged from 9pm to 9:01pm.
"We expect people in every household to join the program by switching off their electricity during the one minute demonstration," State Minister for Power, Energy and Mineral Resources Nasrul Hamid on Saturday told BSS.
He said the power supply across the country would be normal while the people were expected to keep the switches off to stage a complete blackout in memory of the victims of March 25 night, 1971.
Director General of Power Cell Engineer Mohammad Hossain said Bangladesh's electricity demand would be 3,000 mw less than the normal time.
An inter-ministerial meeting with Home Minister Asaduzzaman Khan Kamal on March 11 decided to observe the nationwide blackout.
The Jatiya Sangsad during its 14th session in 2017 unanimously adopted a resolution declaring March 25 as the Genocide Day.
Father of the Nation Bangabandhu Sheikh Mujibur Rahman declared the Independence calling upon the people to build a united resistance against the Pakistani occupation forces just ahead of his arrest from his 32 Dhanmandi residence.
Different political parties, socio-cultural organizations and pro-liberation forms have chalked out elaborate program in observance of the Black Night to pay deep homage to the martyrs.