He was a Frenchman and a physician by profession. He was attached to the court of Shah Jahan and was witness to the war of succession between Dara Shikoh and Aurangzeb. The reference here is to

Answer & Explanation

Answer: [C]

The correct answer is Francois Bernier. Francois Bernier was briefly personal physician to Mughal prince Dara Shikoh. Dara Shikoh was the eldest son and heir-apparent of the fifth Mughal emperor Shah Jahan.