One of the most important descriptions of the city of Vijayanagara in the 15th-century comes from:

Abdur Razzaq Samarqandi

The correct answer is Option (3) → Abdur Razzaq Samarqandi

"..one of the most important descriptions of the city of Vijayanagara in the fifteenth century comes from Abdur Razzaq Samarqandi, a diplomat who came visiting from Herat."