Commissioner is a senior administrative officer who heads a division in Pakistan, which is a sub-provincial administrative unit. They are part of the Pakistan Administrative Service (PAS) and act as the chief coordinator for all government departments within their division. Commissioners oversee law and order, revenue collection, and implementation of government policies. They also supervise Deputy Commissioners (DCs) in the districts under their jurisdiction. Commissioners play a crucial role during emergencies, elections, and development planning at the divisional level.