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2009 By-elections
West Bengal
13 seats contested
By-elections held in West Bengal during 2009 — 13 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
| # | Constituency | Winner | Party | Votes | Share | Margin | Turnout |
|---|---|---|---|---|---|---|---|
| 11 | Kalchini | Wilson Cham. | IND | 36,091 | 29.8% | 6,035 | — |
| 21 | Rajganj | Khageswar Roy |  AITC | 1,13,736 | 48.5% | 14,844 | — |
| 29 | Goalpokhar | Ali Imran Ramz |  AIFB | 72,017 | 53.8% | 14,718 | — |
| 48 | Suzapur | Mausam Noor |  INC | 74,935 | 56.5% | 21,205 | — |
| 85 | Bongaon | Gopal Seth | AITC | 1,04,124 | 58.8% | 40,428 | — |
| 139 | Belgachia East | Sujit Bose | AITC | 1,01,689 | 55.9% | 28,360 | — |
| 145 | Bow Bazar | Swarna Kamal Saha | AITC | 26,271 | 76.9% | 21,420 | — |
| 148 | Alipore | Firhad Hakim | AITC | 41,635 | 71.2% | 27,555 | — |
| 156 | Sealdah | Sikha Couwdury | AITC | 23,224 | 74.5% | 15,927 | — |
| 180 | Serampore | Dr. Sudipto Roy | AITC | 56,979 | 59.8% | 29,678 | — |
| 206 | Nandigram | Phiroja Bibi | IATC | 93,022 | 60.6% | 39,549 | — |
| 211 | Contai South | Adhikari Dibyend | AITC | 74,554 | 55.3% | 25,712 | — |
| 213 | Egra | Das Samares | AITC | 72,403 | 49.9% | 5,950 | — |
Election data: ECI