Correct option is B
Information Booster:
Samaharta – Revenue - Samaharta was the chief collector of revenue in the Mauryan administration.He was responsible for:Assessing and collecting land revenue, taxes, and tributes.Maintaining accounts of income from different provinces.Supervising local officers involved in financial matters.
Vyavaharika – Criminal Court Judge - The term Vyavaharika comes from "Vyavahara" which means legal procedure or litigation, but Vyavaharika as a criminal court judge is not clearly defined as a specific officer in Mauryan texts.In the Mauryan legal system, the Dharmasthiya and Kantakashodhana courts handled civil and criminal matters.Judges were known as Dharmasthas and Sabhyas, not "Vyavaharika".So, this designation is either misattributed or not historically recorded as an official title.
Prashasta – State Writer/Decree - A Prashasta was a proclaimer or official writer who:Issued state decrees and orders.Was involved in drafting royal edicts.Possibly played a role similar to that of an official scribe or announcer of government policies.
Dauvarik – Maintenance of Royal Palace - Dauvarik literally means doorkeeper or gate officer. He was responsible for: Maintaining the palace gates.Controlling entry into royal premises.Supervising security at the royal palace.Likely a trusted and high-ranking officer because access to the king was sensitive.