Solution:At Night All Blood is Black won International booker prize 2021.At Night All Blood is Black captures the tragedy of a young man's mind hurtling towards madness and tells the little-heard story of the Senegalese who fought for France on the Western Front during the First World War. It has won 2021 International booker prize.
About International Booker prize -
The International Booker Prize (formerly known as the Man Booker International Prize) is an international literary award hosted in the United Kingdom. The introduction of the International Prize to complement the Man Booker Prize was announced in June 2004. Sponsored by the Man Group, from 2005 until 2015 the award was given every two years to a living author of any nationality for a body of work published in English or generally available in English translation.