Who of the following rulers of medieval India gave permission to the Portuguese to build a fort at Bhatkal ?

1. A

   Krishnadevaraya

   Krishnadevaraya. Permitted the Portuguese fort at Bhatkal.

2. B

   Narasimha Saluva

   Narasimha Saluva. Earlier Tuluva/Saluva context; not this grant.

3. C

   Muhammad Shah III

   Muhammad Shah III. Bahmani sultan; not the Bhatkal grantor here.

4. D

   Yusuf Adil Shah

   Yusuf Adil Shah. Bijapur; other Portuguese dealings, not this keyed row.

Summary. Official key is (a) Krishnadevaraya. The Vijayanagara emperor allowed the Portuguese to build a fort at Bhatkal on the Kanara coast. The other names belong to neighbouring dynasties or earlier generations.