Before 1905, Bihar was a part of British East India Company's Bengal Presidency.

Structurally Bihar is divided into divisions (Pramandal), districts (Zila), sub-divisions (Anumandal) & circles (Aanchal).The state is divided into nine divisions, 38 districts, 101 subdivisions and 534 circles.

There are 38 districts in Bihar, grouped into 9 divisions —Patna, Tirhut, Saran, Darbhanga, Kosi, Purnia, Bhagalpur, Munger and Magadh —are as listed below.

[19] The Bihar Municipal Act, 2007 creates the following categories of urban areas based on their population.

[17] but less than 40 thousand Further, depending on the population size, the Act prescribes the minimum and maximum number of councillors/wards allowed within each type of local government.

lakh lakh lakh 1,50,000 lakh 40, 000 The Act mentions the following key positions as well as committees for ULBs: Such number of Joint Municipal Commissioners or Deputy Municipal Commissioners or Deputy Chief Municipal Engineers as the Empowered Standing Committee may, from time to time, determine, Bihar Municipal Act, 2007 mandates the establishment of Ward Committees through the Bihar Urban Local Body (Community Participation) Rules, 2013.

Up to 10 representatives from the civil society belonging to the ward would be nominated into the committee by the ULB.

The current strength of the Bihar Vidhan Parishad is 75 (63 Elected + 12 Nominated) is a permanent body.

The current strength of the Bihar Vidhan Sabha is 243 and is not a permanent body which means it is subject to dissolution.

High courts may also enjoy original jurisdiction in certain matters, if so designated especially in a state or federal law.