The Tughlaq dynasty was a Muslim dynasty of Turko-Indian origin, which ruled over the Delhi sultanate in medieval India. Ghiyasuddin Tughlaq is considered to be the founder of the Tughlaq dynasty.
The important characteristics of the Vijayanagar administration was the Amara-Nayaka system. The top-grade officers of the army were known as Nayaks or Palaiyagars or Poligars. These officers were granted land in lieu of their services.