Ashokan inscriptions suggest that the 'Pradeshika', 'Rajuka' and 'Yukta' were important officers at the:

• (a) Village-level administration: Incorrect. Village administration was handled by local functionaries like the gramika; Ashokan inscriptions do not place Pradeshika, Rajuka and Yukta at the village level.
• (b) District-level administration: Correct. Ashokan edicts mention Pradeshikas, Rajukas and Yuktas as officers concerned with revenue, justice and supervision in territorial units comparable to districts.
• (c) Provincial administration: Incorrect. Provinces were governed by higher authorities such as princes or governors; these three were subordinate field officers, not provincial heads.
• (d) Central administration: Incorrect. They were not top imperial officers at Pataliputra, but officials working in local/regional administration.

Answer: (b) District-level administration.