Who among the following did not rule the Delhi Sultanate?

Ghori dynasty did not ruled Delhi Sultanate directly, his slaves ruled over India after the death of Ghori. The Slave Dynasty ruled the Sub-continent for about 84 years. It was the first Muslim dynasty that ruled India. Qutub-ud-din Aibak, a slave of Muhammad Ghori, who became the ruler after the death of his master, founded the Slave Dynasty.