<P> In 1215 - 1216, Taj al - Din Yildiz, who had been defeated and expelled from Ghazni by the forces of the Khwarezmid Empire, moved towards Punjab and captured Lahore from Qabacha . Yildiz laid claim to the throne of Delhi as the heir to Mu'izz ad - Din Muhammad Ghori . Iltutmish refused, stating: </P> <P> (T) he dominion of the world is enjoyed by the one who possesses the greatest strength . The principle of hereditary succession is not extinct but long ago destiny abolished this custom . </P> <P> Iltutmish defeated Yildiz at Tarain in January 1216 . Yildiz was imprisoned in Badaun and was later executed . </P> <P> In 1217, after the death of Yildiz, Qabacha had retaken Lahore and in response, Iltutmish led his army towards Lahore . Qabacha attempted to retreat from Lahore towards Multan . Iltutmish refrained from attacking Sindh due to the presence of the Mongols on his north - west frontier . Iltutmish was preoccupied with the Mongol threat and did not threaten Qabacha until year 1227, when he defeated Qabacha at Mansura . At that time, Lahore was under Iltutmish's rule but not for long . </P>

Who succeeded iltutmish to the throne of delhi