[1] As a consequence of the orders of the Delimitation Commission of India, Sonbarsa Assembly constituency ceased to exist in 2010.
[2] In the October 2005, February 2005, and 2000 state assembly elections, Dr. Ram Chandra Purvey of RJD won the 70 Sonbarsha assembly seat, defeating his nearest rivals, Amzad Hussain Anwar of BSP in October 2005, Md.
Contests in most years were multi cornered but only winners and runners are being mentioned.
Kapoori Thakur of LD defeated Anwarul Haque, Independent, in 1985.
Mahmud Alam of Congress defeated Suryadeo Purbey of JP in 1977.