Mirganj (Vidhan Sabha constituency)
It was part of Gopalganj (Lok Sabha constituency).
In the October 2005 and February 2005 state assembly elections, Ramsewak Singh of JD(U) won the Mirganj assembly seat defeating his nearest rival Babuddin Khan of Congress. Contests in most years were multi cornered but only winners and runners are being mentioned. Prabhu Dayal Singh of SAP defeated Abdul Samad, Independent, in 2000. Viswanath Singh of CPI(M) defeated Prabhudayal Singh of Congress in 1995. Prabhudayal Singh, Independent/ Congress defeated Viswanath Singh of CPI(M) in 1990 and Raj Mangal Mishra of JP in 1985. Raj Mangal Mishra of Janata Party (JP) defeated Anant Prasad Singh of Congress in 1980. Bhavesh Chandra Prasad of JP defeated Anant Prasad Singh of Congress in 1977.
- "Schedule – XIII of Constituencies Order, 2008 of Delimitation of Parliamentary and Assembly constituencies Order, 2008 of the Election Commission of India" (PDF). Schedule VI Bihar, Part A – Assembly constituencies, Part B – Parliamentary constituencies. Retrieved 2011-01-10.
- "23 - Mirganj Assembly Constituency". Partywise Comparison Since 1977. Election Commission of India. Retrieved 2011-02-25.