In 1848, he accompanied Raja Sher Singh Atarivala to Multan, and became an ally in his rebellion. His followers, hearing this, rebelled too and defended the fort of Ranghar Nangal successfully against two companies of the Lahore troops. After the annexation of the Punjab by the British, the estates of Arjan Singh were confiscated. Arjan Singh died in 1859.
References :
1. Griffin, Lepel, and C.F. Massy, Chiefs and Families of Note in the Punjab. Lahore, 1909
2. Cunningham, Joseph Davey, A History of the Sikhs. London,1849
3. Gupta, Hari Ram, Panjab on the Eve of First Sikh War. Chandigarh, 1956