Khusrau Shah hatched a conspiracy against Mubarak Shah. Khusrau Khan was one of the favorite of Mubarak Shah. Khusrau Shah got him murdered in 1320 and himself ascended the throne.
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.
Mubarak Shah was the second ruler of the Sayyid dynasty which ruled the Delhi Sultanate after the fall of the Tughlaq dynasty. He succeeded his father, Khizr Khan to the throne in 1421 CE.