Who was Saadat Khan?Mention his reforms.

Saadat Ali Khan (b. c. 1680 – d. 19 March 1739) was the Subahdar Nawab of Awadh (Oudh) from 26 January 1722 to 1739, and the son of Muhammad Nasir. At the age of 25 he accompanied his father Muhammad Nasir and joined the final campaign of the Mughal Emperor Aurangzeb against the Maratha in the Deccan