127 Raja Pakar Assembly constituency is composed of the following: Raja Pakar, Desri and Sahdei Buzurg community development blocks.

[1] Raja Pakar Assembly constituency (SC) is part of No.

[1] Pratima Kumari Das is the current MLA from the constituency.

In the 2010 state assembly elections, Sanjay Kumar of JD(U) won the newly created Raja Pakar assembly seat defeating his nearest rival Gaurishankar Paswan of LJP.

[3] In 2015 Shivchandr Ram of Rashtriya Janata Dal emerged victorious in the assembly elections from this reserved seat.