Answer:
(d) Yusuf Adil Shah
Explanation:
Yusuf Adil Shah, the founder of the Adil Shahi dynasty of Bijapur, granted permission to the Portuguese to build a fort at Bhatkal. The Adil Shahi dynasty maintained diplomatic and trade relations with the Portuguese, allowing them to establish a fort and trading post at Bhatkal in the early 16th century.