As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No 47 Raniganj Assembly constituency is composed of the following: Raniganj community development block; Birnagar East, Birnagar West, Dhaneshwari, Haripur Kala, Khutha Baijnathpur, Naya Bhargama and Vishaharia gram panchayats of Bhargama CD Block.

[1] In November 2010, October 2005 and February 2005 state assembly elections, Parmanand Rishideo of BJP won the Raniganj, Araraia seat defeating his nearest rivals Shanti Devi of RJD in November 2010 and October 2005, and Ashok Paswan of LJP in February 2005.

Contests in most years were multi cornered but only winners and runners up are being mentioned.

Yamuna Prasad Ram of RJD defeated Ramji Das Rishideo of BJP in 2000.

Shanti Devi of JD defeated Yamuna Prasad Ram of Congress in 1995 and 1990.