During the transition from the Early to the Later Vedic period, how did the political role of the Purohita (royal priest) evolve?

Options:

• A: The Purohita's political influence completely declined as the king became an absolute secular monarch who did not require religious validation.
• B: The Purohita became a military commander-in-chief, directly leading the royal army in territorial expansion campaigns.
• C: The Purohita's role became highly institutionalized, acting as the ideological partner of the king, co-legitimizing absolute royal authority through complex rituals.
• D: The Purohita was replaced by the Gramani as the chief advisor to the king on all administrative and judicial matters.

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