As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No. 71 Bihariganj Assembly constituency is composed of the following: Bihariganj and Gwalparacommunity development blocks; Biriranpal, Madhuban, Rampur Khora, Kishunganj, Pararia, Barahi Anadpura and Pipra Karoti gram panchayats of Uda Kishunganj CD Block; Gram Panchayats Haripur Kala, Digghi, Singiyon, Raghunathpur, Kolhaypatti Dumriya, Rajni, Gangapur, Dinapatti Sakhuwa, Pokhram Parmanadpur, Jorgama, and Rampur gram panchayats and Murliganjnotified area of Murliganj CD Block.[2]