Gujarat Land Revenue Code, 1879
The '[State] Government] may appoint to each district so many Assistant Collectors, and so many Deputy Collectors as '[it] may deem expedient; the Assistants shall be called "First", "Second", "Supernumerary", etc. as may be expressed in the order of their appointment. All such Assistant and Deputy Collectors and all other officers employed in the land revenue administration of the district shall be subordinate to the Collector.