| Sonpur | |
|---|---|
| Constituency No.122 for theBihar Legislative Assembly | |
| Constituency details | |
| Country | India |
| Region | East India |
| State | Bihar |
| District | Saran |
| Established | 1951 |
| Member of Legislative Assembly | |
| 17th Bihar Legislative Assembly | |
| Incumbent Vinay Kumar Singh | |
| Party | BJP |
| Alliance | NDA |
| Elected year | 2025 |

Sonpur Assembly constituency, often spelt Sonepur, is inSaran district in theIndianstate ofBihar.[1]
Ram Sundar Das, sitting MLA from Sonpur 1977–1980, served as Bihar's Chief Minister briefly in 1979.
As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No. 122 Sonpur Assembly constituency is composed of the following:Sonpur andDighwara C.D. blocks.[2][3][4]
Sonpur Assembly constituency is part of No. 20Saran (Lok Sabha constituency).[2] It was earlier part ofChapra (Lok Sabha constituency).
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| BJP | Vinay Kumar Singh | 90,842 | 45.59 | ||
| RJD | Ramanuj Prasad Yadav | 86,075 | 43.2 | ||
| JSP | Chandan Lal Mehta | 11,977 | 6.01 | new | |
| NOTA | None of the above | 2,606 | 1.31 | ||
| Majority | 4,767 | 2.39 | |||
| Turnout | 199,240 | ||||
| BJPgain fromRJD | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| RJD | Ramanuj Prasad Yadav | 73,247 | 43.11 | −11.76 | |
| BJP | Vinay Kumar Singh | 66,561 | 39.18 | +7.51 | |
| Independent | Chandan Lal | 8,667 | 5.1 | ||
| Independent | Ramesh Kumar | 5,541 | 3.26 | ||
| Independent | Suman Kumar | 3,055 | 1.8 | ||
| Independent | Hem Narayan Singh | 3,044 | 1.79 | ||
| Independent | Pinki Kumari Prasad | 1,942 | 1.14 | ||
| NCP | Dharamveer Kumar | 1,603 | 0.94 | ||
| NOTA | None of the above | 1,546 | 0.91 | −1.82 | |
| Majority | 6,686 | 3.93 | −19.27 | ||
| Turnout | 169,896 | 58.96 | +0.4 | ||
| RJDhold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| RJD | Dr. Ramanuj Prasad | 86,082 | 54.87 | ||
| BJP | Vinay Kumar Singh | 49,686 | 31.67 | ||
| Independent | Binod Kumar Singh | 3,606 | 2.3 | ||
| Sarvajan Kalyan Loktantrik Party | Pradeep Kumar Sahni | 3,265 | 2.08 | ||
| Independent | Sudhir Kumar Singh Alias Bhola Singh | 2,312 | 1.47 | ||
| Independent | Ashok Singh | 2,172 | 1.38 | ||
| NOTA | None of the above | 4,290 | 2.73 | ||
| Majority | 36,396 | 23.2 | |||
| Turnout | 156,884 | 58.56 | |||
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