Bihar and Orissa Province
Bihar and Orissa was a province of British India, which included the present-day Indian states of Bihar, Jharkhand, and parts of Odisha. The territories were conquered by the British in the 18th and 19th centuries, and were governed by the then Indian Civil Service of the Bengal Presidency, the largest administrative subdivision in British India.
Source: Wikipedia — Bihar and Orissa Province (CC BY-SA 4.0)