In the early and later Vedic periods, the position of the king underwent significant changes, reflecting transformations in political, social, and religious dynamics. Some key differences:

Early Vedic Period:

1. Chief of the Tribe: In the early Vedic period, the king was primarily the chief of the tribe or clan. He was elected by the tribal assembly (sabha or samiti) and the tribal council (gana or vidhata).

2. Sacrificial Role: The king's role was closely associated with performing sacrificial rituals (yajnas) to ensure prosperity and protection for the tribe. He was often depicted as a patron of priests and rituals.

3. Limited Authority: The authority of the king was more limited compared to later periods. He governed with the consent of the tribal assembly and council and did not possess absolute power.

4. Military Leader: The king also served as the military leader of the tribe, leading warriors into battle to defend the tribe's territory and resources.

Later Vedic Period:

1. Emergence of Monarchy: In the later Vedic period, there was a transition from tribal assemblies to monarchy. Kingship became hereditary, passing from father to son, rather than being elected by the tribe.

2. Centralized Authority: With the emergence of monarchy, the king's authority became more centralized and absolute. He wielded significant power over his subjects, and his decisions were not subject to tribal assemblies as before.

3. Rituals and Religion: While the king continued to perform religious rituals, his role in religious matters became less prominent compared to the early Vedic period. The priestly class (Brahmins) gained more influence in religious affairs.

4. Administration: Kings in the later Vedic period established administrative systems to govern their kingdoms efficiently. They appointed officials to manage various aspects of governance, including taxation, law enforcement, and infrastructure development.

5. Social Differentiation: The later Vedic period saw increased social differentiation and the emergence of varna system (the division of society into four main social classes: Brahmins, Kshatriyas, Vaishyas, and Shudras). Kings belonged to the Kshatriya varna and occupied the highest position in society after the Brahmins.

In summary, the position of the king evolved from being a tribal leader elected by assemblies to a hereditary monarch with centralized authority in the later Vedic period. This transition reflected broader changes in political organization and social structure during this period.