Sir
From Khoja Wiki
Under the rules of the British Empire, cooperating natives received various titles under the English feudal system. Dual nationals holding a Commonwealth citizenship that recognise the British monarch as head of state are entitled to use the styling.
The title " sir" is for services rendered by an a male and is non-heridary.
Khojas who either served the British military campaigns directly or those who served their communities in the territories also received such honours.