Raja Braj Raj Dev was a ruler of the Dev Dynasty of Jammu, Jamwal Dogras, who ruled from 1782 to 1787. He was a ruler, but failed to stop Sikh invasions in Jammu. In 1785, the Sikhs occupied Basholi, Jasrota, and Ramnagar.
Two years later, In 1787, Raja Braj Dev tried to recover his territories from the Sikhs, but he was killed[1] [2] in the Battle of Rumal,[3] with the combined forces of Sikhs Sardars of Sukerchakia Misl and Bhangi Misl.[4] He was succeeded by Raja Sampuran Singh, who surrendered to the Sikhs.[2]