Chief Justice S.K. Sinha delivered the verdict against Bangladesh Nationalist Party leader Salauddin Quader Chowdhury, a former aide to ex-Prime Minister Khaleda Zia.
The ruling clears the way for the man’s execution unless he gets presidential clemency.
Bangladesh Nationalist Party leader Salauddin Quader Chowdhury was convicted in 2013 on nine of 23 charges, including four counts of genocide. He was found guilty of aiding and ordering the killings of at least 200 people, mostly minority Hindus, in the southeastern Chittagong region.
He was later elected as the region’s representative to parliament six times.