Diwan Ram Dayal was the governor of Hazara until his death in the Battle of Gandgarh.

[6] He did not fight any major engagements until when Mohammad Khan Tarain decided to clash against him.

[7] After an intense battle at Taragarh, the Sikhs successfully inflicted defeat upon the Afghans and routed them.

[8] After the battle, Amar Singh with a few Sikhs went to a nearby waterbody to drink and bathe.

A body of Karlals attacked them and killed every Sikh, including Amar Singh.