Role of Nayakas: 

1. The Nayakas were the military chiefs. They exercised their power in Vijayanagara administration. They controlled the forts and had many soldiers under them. 

2. They kept on moving from one place to another. The peasants who were in search of fertile land sometimes took their help. 

3. The Nayakas spoke Telugu or Kannada. They had accepted the authority of Raya of Vijayanagar. 

4. Taking the advantages of the weakness of the central administration, they rebelled. They could be suppressed only by military action. 

Role of Amara Nayakas: 

1. The Amara Nayakas were the military commanders. They were alloted some territories to rule by the ruler of Vijayanagra empire. 

2. They were free to carry out the administration of their state. They had right to collect land revenue from the peasants and other taxes from the craftspersons and leaders living under their territory. 

3. They kept some portion of the revenue collected for their personal consumption and for the maintenance of their horses and elephants and submitted the rest to the state treasury. 

4. The rulers of Vijayanagra had firmly established and then controlled in peninsular region.