The correct option is D Chatrapathi
After coronation ceremony in 1764 Shivaji took the title Chhatrapathi. The coronation ceremony was an event of great significance in the history of India. In case of all other rulers the coronation had to be approved by the Mughal Emperor, but Shivaji did it as a bold challenge to the Mughal authority and the title of Chhatrapati or paramount sovereign which he adopted symbolized this challenge.