Administration in Bihar Bihar and Orissa Province was created separating from Bengal Presidency. In 1936, Bihar and Orrisa Province divided into two new provinces: Bihar Province and Orissa Province. Following Divisions were included in Bihar and Orissa Province when it separated from Bengal Presidency in 1912: On 1 April 1936 Bihar and Orissa Province was divided into two new provinces: Bihar Province and Orissa Province In 1936, Bihar became a separate province including part of Jharkhand. After the independence of India in 1951, Bihar including Jharkhand had 18 districts, and had 55 districts in 1991. In 2000, Bihar again divided into two states:
Migrated provinces, commanderies and counties Migrated provinces, commanderies and counties The migrated provinces, commanderies and counties () were consequence of a special administrative regionalization called qiao zhi () during the Six dynasties era of China. The Shahumyan Province is a modern analogue of their alternative local government, in their infancy. With adoption of tu duan and merger, these nominal subdivisions transitioned to the actual administrative divisions. Since the uprising of the five barbarians, a large number of northern refugees migrated south. These migrants who called "qiao ren (, literally the migrated people)" were the base of the migrated provinces, commanderies, and counties. Bearing northern place