Rupauli Assembly constituency is composed of the following: Rupauli and Bhawanipur community development blocks; Aurlaha, Bhatsara, Laxmipur, Nathpur, Patraha, Arbanna Chakla, Thari and Basudeopur of Barhara Kothi CD Block.

Bima Bharti representing RJD defeated Shanakar Singh of LJP in October 2005.

Shankar Singh of LJP defeated Bima Bharti of RJD in February 2005.

Bal Kishor Mandal of CPI defeated Ram Chandra Das of SP in 1995.

Dinesh Kumar Singh of Congress defeated Saryug Mandal of CPI in 1985 and 1980.