Hari Narayan Singh was born on 12 March 1946. He is an experienced politician associated with the Janata Dal (United) (JD(U)) party. His political career saw him successfully elected as a Member of the Bihar Legislative Assembly, representing the Harnaut constituency in Nalanda district.
He first secured victory and began his term for the 16th Assembly on 20 November 2015. He continued his service to the constituency and was re-elected for the 17th Assembly, with his term commencing on 16 November 2020. Throughout his tenure, he has been an active participant in legislative proceedings. His father's name is Shivdutt Prasad. He is a graduate. As per his 2020 election affidavit, his total assets were ₹ 1,40,75,463, and he declared no liabilities.
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In November 2025, Hari Narayan Singh of JD(U) won the Harnaut seat, polling 106,954 votes and finishing ahead of Congress’s Arun Kumar by a margin of 48,335 votes, marking a strong reaffirmation of his political influence.
| Full Name | Hari Narayan Singh |
| Place of Birth | Bihar |
| Party Name | Janata Dal (United) |
| Education | Graduate |
| Profession | Politician |
| Father's Name | Shivdutt Prasad |
| Mother's Name | NA |
| Spouse's Name | NA |
| Religion | Hindu |
| Website | NA |
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