 After Mu'izz ad-Din's death in 1206, Qutb al-Din became the ruler of the Delhi Sultanate, which evolved independent of the former Ghurid Empire.In 1210, when Qutb al-Din Aibak died unexpectedly in Lahore during a sport game, the local nobles appointed Aram Shah as his successor to prevent instability in the kingdom.However, the nobles in other parts of the Sultanate opposed this decision, and proposed Iltutmish as an alternative, because Aibak used to call him a son, and because he had a distinguished record of service.