Option 1: Mahmud of Ghazni was not a contemporary of Chingiz Khan. Mahmud of Ghazni was a ruler of the Ghaznavid Empire in the 11th century, long before the time of Chingiz Khan, who was a Mongol warrior and the founder of the Mongol Empire in the 13th century.

Option 2: Iltutmish was a contemporary of Chingiz Khan. Iltutmish was the third ruler of the Delhi Sultanate in India and he reigned from 1211 to 1236, which is during the same time period as Chingiz Khan. Chingiz Khan was a powerful Mongol leader who lived from 1162 to 1227. Both Iltutmish and Chingiz Khan were important figures in their respective regions during this time.

Option 3: Alauddin Khalji was not a contemporary of Chingiz Khan. Alauddin Khalji was the second ruler of the Khalji dynasty in the Delhi Sultanate and he reigned from 1296 to 1316, which is after the time of Chingiz Khan.

Option 4: Mohammad bin-Tughlaq was not a contemporary of Chingiz