He was promoted to a captaincy on 13 Oct. 1784. He took a prominent part in the invasion of Mysore, conducted by Lord Cornwallis in 1791. He superintended the artillery employed in the sieges of Nandidrúg (captured 19 Oct. 1791) and Savandrúg (captured 21 Dec. 1791).
He was promoted to captain on 13 Oct. 1784, playing a crucial part in Lord Cornwallis's 1791 invasion of Mysore. He oversaw the artillery during the capture of Nandidrúg (Oct 19, 1791) and Savandrúg (Dec 21, 1791), highlighting his military leadership.