Nasiruddin Mahmud (son of Iltutmish)
Nasiruddin Mahmud was the son of Sultan Shamsuddin Iltutmish and his chief consort Turkan Khatun, the daughter of Qutb al-Din Aibak. He was the governor of Oudh and later served as the governor of Bengal until his death.History
When Ghiyasuddin Iwaj Khalji rebelled against Delhi Sultan Iltutmish, he sent his son Nasiruddin Mahmud along with Alauddin Jani to lead an invasion against Iwaj. Iwaj was defeated and killed, and Nasiruddin became the governor of Bengal. He received the title Malik ush-Sharq from Sultan Iltutmish.
In 1228, Nasiruddin attacked and killed Prithu, a ruler in Kamarupa. He subsequently attacked Tibet.
After ruling for one and a half years, Nasiruddin died in 1229.