In 1972, Duggirala legislative assembly constituency had total 80100 electors. Total number of valid vote was 54218. Indian National Congress candidate Bontu Gopala Reddy won and became MLA from this seat. He secured total 36789 votes. Indian National Congress (organisation) candidate Krishnamurti Pasupuletl stood second with total 12213 votes. He lost by 24576 votes.