|Biographical detail : ||He was the most powerful chief of Afghanistan.
Dost Muhammad who was the ruler of Kabul and Qandhar was the brother of the ruler of Herat and Chief of Barakzai clan. He was known for his ruthlessness, efficiency and cunning.
In 1839 British Army invaded Kabul and took him forcibly to Calcutta where he was kept till 1842. He was seen as an enemy of British interests. He was set free in November 1842 because of the rebellion of his son Akbar Khan, who had completely destroyed the English Army in 1841, (out of nearly 16,000 English soldiers only one was reported to survive).
After he returned to Kabul, Dost Muhammad Khan recaptured the country and reigned till his death. Over the next twenty-one years of his reign he succeeded in enlarging his dominations to the current borders of the country.