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Qutbuddin Aibak was the first ruler of the Delhi Sultanate and also the founder of the Slave dynasty. He was a Turkish of the Aybak tribe and was the sultan for only four years
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Muhammad Ghori Was the founder of the Muslim Empire in India
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contribution:He collected and took Gold,Jewels and Indian Artisans back to Ghazni
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He discovered seven different ways of finding the direction of the north and south, and discovered mathematical techniques to determine exactly the beginnings of the season.