Bihar Gramin Bank, sponsored by UCO Bank, came into existence vide Govt. of India notification dated 15th October,2012 by amalgamating 2 RRBs namely Bihar Kshetriya Gramin Bank and Samastipur Kshetriya Gramin Bank in exercise of the powers conferred by sub-section (1) of section 23A of the Regional Rural Banks act, 1976 (21 of 1976).