Step 1: Identifying the Book and its Contents:
The travelogue Travels in the Mughal Empire is a historical account written in the $17^{\text{th}}$ century. It compares the economic, political, and social institutions of Mughal India with those of contemporary Western Europe, focusing on the system of state land ownership.
Step 2: Identifying the Author:
The book was written by Francois Bernier, a French physician, traveler, and philosopher. He spent twelve years in India (from 1656 to 1668). He was closely associated with the Mughal imperial court, serving as a physician to Prince Dara Shikoh and later as an associate of the intellectual noble Danishmand Khan.
Step 3: Alyzing Other Travel Writers:
• (B) Roberto Nobile was an Italian Jesuit missiory who worked in southern India, adopting local customs to spread Christianity.
• (C) Duarte Barbosa was a Portuguese writer who wrote detailed descriptions of early $16^{\text{th}}$-century southern India and the Vijayagara Empire.
• (D) Marco Polo was a famous Venetian traveler who traveled across Asia in the late $13^{\text{th}}$ century and visited the coastal regions of southern India.