Explanation:
Bait e Rizwan/Pledge of the TreeIn was made 628/6 AH. Bait-e-Rizwan took place in 6th Hijrah. Bait Rizwan was the pledge taken to get revenge on Hazrat Usman (RA) under the tree known as Rizwan Bait-e-Rizwan is also known as Bait-e-Shajra made under the Keekar tree. On this occasion, Muhammad gathered his nearly 1,400 Sahaba and called them to pledge to fight until death and revenge the death of Hazrat Usman.