In 1854 the designation of South-West Frontier Agency was changed to Chota Nagpur and it began to be administered as a Non-regulation province under the Lieutenant Governor of the then Bihar. It was changed to Chota Nagpur by Act XX of that year, and was administered thereafter as a non-regulation province under the Lieutenant-Governor of Bengal Presidency. The title of the chief administrative officer was changed from Agent to Commissioner, and the officers in charge of the districts became Deputy Commissioners.
In 1854, the South-West Frontier Agency's name was altered to Chota Nagpur, and it began to be administered as a non-regulation territory under the Bihar Lieutenant Governor. This change was formalized by Act XX of that year, and it continued to be governed as a non-regulation province under the Bengal Presidency Lieutenant-Governor. The title of the chief administrative officer was changed from Agent to Commissioner, and the officers in charge of the districts became Deputy Commissioners.