Explanation:

• Hereditary monarchy was the form of government during the Sangam period.
• The king had also taken the advice of his minister, court-poet and the imperial court or avai.
• The imperial court or avai was attended by a number of chiefs and officials.
• The king was assisted by a large body of officials who were divided into five councils.
• They were ministers (amaichar), priests (anthanar), military commanders (senapathi), envoys (thuthar) and spies (orrar).
• The military administration was also efficiently organized during the Sangam Age.

Source: Tamil Nadu State Board Class 11