List of by-elections to the West Bengal Legislative Assembly

The following is a list of by-elections held for the West Bengal Legislative Assembly, India, since its formation in 1946.

Date	Constituency		MLA before election	Party before election		Elected MLA	Party after election
25 September 2011	125	Basirhat Uttar	Mostafa Bin Qaseem		Communist Party of India	ATM Abdullah		All India Trinamool Congress
25 September 2011	159	Bhabanipur	Subrata Bakshi		All India Trinamool Congress	Mamata Banerjee		All India Trinamool Congress

Date	Constituency		MLA before election	Party before election		Elected MLA	Party after election
12 June 2012	230	Daspur	Ajit Bhunia		All India Trinamool Congress	Mamata Bhunia		All India Trinamool Congress
12 June 2012	252	Bankura	Kashinath Misra		All India Trinamool Congress	Minati Misra		All India Trinamool Congress

Date	Constituency		MLA before election		Elected MLA
23 February 2013	51	English Bazar	Krishnendu Narayan Choudhury	Indian National Congress	Krishnendu Narayan Choudhury	All India Trinamool Congress
	70	Rejinagar	Humayun Kabir	Indian National Congress	Rabiul Alam Chowdhury	Indian National Congress
	293	Nalhati	Abhijit Mukherjee	Indian National Congress	Dipak Chatterjee	All India Forward Bloc

Date	Constituency		MLA before election	Party before election		Elected MLA	Party after election
13 September 2014	1	Basirhat Dakshin	Narayan Mukherjee		Communist Party of India (Marxist)	Samik Bhattacharya		Bharatiya Janata Party
13 September 2014	2	Chowrangee	Sikha Mitra		All India Trinamool Congress	Nayna Bandopadhyay		All India Trinamool Congress

Date	Constituency		MLA before election		Elected MLA
30 September 2021	159	Bhabanipur	Sovandeb Chattopadhyay	All India Trinamool Congress	Mamata Banerjee	All India Trinamool Congress
30 October 2021	7	Dinhata	Nisith Pramanik	Bharatiya Janata Party	Udayan Guha^[1]	All India Trinamool Congress
	86	Santipur	Jagannath Sarkar	Bharatiya Janata Party	Braja Kishore Goswami^[1]	All India Trinamool Congress
	109	Khardaha	Kajal Sinha	All India Trinamool Congress	Sovandeb Chattopadhyay^[1]	All India Trinamool Congress
	127	Gosaba	Jayanta Naskar	All India Trinamool Congress	Subrata Mondal^[1]	All India Trinamool Congress

2011

Date	Constituency		MLA before election	Party before election		Elected MLA	Party after election
27 February 2023	60	Sagardighi	Subrata Saha		Trinamool Congress	Bayron Biswas^[2]		Indian National Congress
5 September 2023	15	Dhupguri	Bishnupada Roy		Bharatiya Janata Party	Nirmal Chandra Roy		Trinamool Congress

Date	Constituency		Previous MLA		Reason	Elected MLA
7 May 2024	62	Bhagabangola	Idris Ali	All India Trinamool Congress	Died on 16 February 2024^[3]	Reyat Hossain Sarkar	All India Trinamool Congress
1 June 2024	113	Baranagar	Tapas Roy	All India Trinamool Congress	Resigned on 4 March 2024^[4]	Sayantika Banerjee
10 July 2024	35	Raiganj	Krishna Kalyani	Bharatiya Janata Party	Resigned on 27 March 2024^[5]	Krishna Kalyani
	90	Ranaghat Dakshin	Mukut Mani Adhikari		Resigned on 19 April 2024^[6]	Mukut Mani Adhikari
	94	Bagdah	Biswajit Das		Resigned on 19 April 2024^[6]	Madhuparna Thakur
	167	Maniktala	Sadhan Pande	All India Trinamool Congress	Died on 20 February 2022^[7]^[a]	Supti Pandey
13 November 2024	6	Sitai	Jagadish Chandra Barma Basunia	All India Trinamool Congress	Elected to Lok Sabha on 4 June 2024	Sangita Roy
	14	Madarihat	Manoj Tigga	Bharatiya Janata Party		Jay Prakash Toppo
	104	Naihati	Partha Bhowmick	All India Trinamool Congress		Sanat Dey
	121	Haroa	Haji Nurul Islam			Sheikh Rabiul Islam
	236	Medinipur	June Malia			Sujoy Hazra
	251	Taldangra	Arup Chakraborty			Falguni Singhababu