Jai Chand, Mamluk, and Qutb-ud-din Aibak are key figures in the history of the Delhi Sultanate.
Jai Chand was a Rajput king of North India defeated by Prithviraj Chauhan in the battle of Tarain in 1192.
Mamluk in Arabic refers to slave soldiers who eventually became rulers, such as the Mamluks in Egypt and the Delhi Sultanate.
Qutb-ud-din Aibak was popularly known as Founder of the Slave dynasty.
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