विजयनगर साम्राज्य के दौरान, 'मंडलम' नामक प्रशासनिक इकाइयों को किसमें विभाजित किया गया था?

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

Krishnadevaraya, who ruled over the Vijayanagara Empire from 1509 to 1529, belonged to which dynasty?

Which ruler of the Vijayanagara Empire was also known by the title 'Praudh Deva Raya'?