Ismāʿīlī emissaries: Some sources claim that the assassins were sent by Muhammad II of Khwarezm, but historian Mohammad Habib theorizes that this is unlikely. Hindu Khokhars: Some later accounts claim that the assassins were Hindu Khokhars. Prithviraj Chauhan: Indian folklore claims that Prithviraj Chauhan killed Muhammad Ghori, but this is unlikely because Prithviraj died years before Muhammad Ghori. Sources of Wikipedia and Google