Ashokan inscriptions suggest that the ‘Pradeshika’, Rajuka’ and Yukta’ were important officers at the [Ancient History]

The correct option is district-level administration.

According to Ashoka's Major Rock Edict III, three categories of officers—the Pradeshikas, Rajukas, and Yuktas—were commanded to tour the empire every five years to spread the message of Dhamma and perform administrative duties.

These officers served key roles at the district-level administration of the Mauryan empire:
1. Pradeshika: Head of the district administration, responsible for collecting land revenue and maintaining law and order.
2. Rajuka: High-ranking judicial and land-surveying officials who looked after the welfare of the people in the districts and had powers of reward and punishment.
3. Yukta: Subordinate officials, functioning primarily as district-level clerks or accountants responsible for managing revenue and keeping administrative records.