Singh, died at a hospital here today following a brief illness, family sources said.
Singh (88) was hospitalised due to kidney and heart problem. He breathed his last at 3.45 am today.
He is survivied by wife and two sons.
Singh represented Rafiganj assembly constituency in Aurangabad district three times in between 1980 to 1995.
He served as Science and technolgy minister in Late Bindeshwari Dubey ministry and Finance minister in the government of Late Bhagwat Jhat Azad.