 He took part in the Quit India Movement in 1942 and was arrested for the same and was a member of the Rashtriya Swayamsevak Sangh from 1943.He won the Assembly election for Bikram seat in Patna in 1977, and was Finance Minister in Bihar Government led by Janata Party.Mishra was appointed Bihar's Finance Minister in 1977-78 when the Janata Party government was in power.