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2021 By-elections
West Bengal
5 seats contested
By-elections held in West Bengal during 2021 — 5 seats were contested, not the full assembly. Results are shown as a table: a map of a handful of seats would leave the rest of the state blank, which reads as "no result" rather than "not contested". Seat shares below are of the seats contested here, not of the assembly.
Seats won by party
- AITC5100.0%
| # | Constituency | Winner | Party | Votes | Share | Margin | Turnout |
|---|---|---|---|---|---|---|---|
| 7 | Dinhata | UDAYAN GUHA |  AITC | 1,89,575 | 85.6% | 1,64,089 | — |
| 86 | Santipur | BRAJA KISHOR GOSWAMI | AITC | 1,12,087 | 55.4% | 64,675 | — |
| 109 | Khardaha | SOBHANDEB CHATTOPADHYAY | AITC | 1,14,086 | 74.3% | 93,832 | — |
| 127 | Gosaba | SUBRATA MONDAL | AITC | 1,61,474 | 87.6% | 1,43,051 | — |
| 159 | Bhabanipur | BANERJEE MAMATA | AITC | 85,263 | 72.8% | 58,835 | — |
Election data: ECI