 The biggest victory of the Sikh Empire over the Durrani Empire came in the Battle of Attock fought in 1813 between Sikh and Wazir of Afghanistan Fateh Khan and his younger brother Dost Mohammad Khan.The Afghans were routed by the Sikh army and the Afghans lost over 9,000 soldiers in this battle.Dost Mohammad was seriously injured whereas his brother Wazir Fateh Khan fled back to Kabul fearing that his brother was dead.