Career
He was the governor of Oudh. He later served as the governor of Bengal until his death. After the battle Iwaj had been defeated and Nasiruddin became the governor of Bengal.
He received the title Malik-us-Sharq (Lord of the East) from Sultan Iltutmish.
In 1228, Nasiruddin attacked and killed Prithu, a Khen ruler (reigned: 1185–1228) of Assam. He subsequently attacked Tibet.
(Entirely incorrect and quoted without reading the cited material properly In fact it was his father, who did these things)
After ruling for one and a half years, Nasiruddin died in 1229.
