Option b is the correct answer. Nicolo Conti was an italian traveller who visited Vijayanagara Empire during the reign of Devaraya I of the Sangama Dynasty. Important Tips Some of the Foreign Travellers who visited Vijayanagar Empire. Nicolo Conti- An Italian merchant, scholar, and traveler, he journeyed to the Vijayanagara Kingdom in the era of Dev Raya II. His experiences are documented in the Travels of Nicolo Conti. Abdur Razzaq- A Persian scholar and Timurid chronicler, he acted as an envoy from Shah Rukh, the Persian ruler of the Timurid dynasty, during the reign of Dev Raya II in the Vijayanagara Kingdom. His observations on the rule of Devaraya II are recorded in his work "Matla as-Sadain Wa Majma ul-Bahrain." Nikitin- The initial Russian merchant and traveler to explore India, he depicted the state of the Bahamani kingdom during Muhammad III's rule in his "Voyage to India." Duarte Barbosa- A Portuguese author, scribe, and adventurer, he provided a detailed portrayal of Vijayanagara's administration during Krishna Deva Raya's rule in his book titled "An Account of Countries Bordering the Indian Ocean and their Inhabitants." Domingo Paes- A Portuguese trader, author, and explorer, he journeyed to India and provided the most comprehensive records among all historical depictions of the ancient city of Hampi, which was ruled by the Vijayanagara Empire under Krishna Deva Raya.