Who is the Longest Serving Chief Minister (CM) of West Bengal?

Last Updated: Apr 11, 2026, 14:24 IST

Who is the longest serving CM of West Bengal?, and who marked by long-standing leaderships and significant ideological shifts. Discover total list of Chief Ministers of West Bengal. Explore who is the first Premier, First CM of West Bengal to the current leadership, with detailed tenures.

Jyoti Basu, Longest CM of West Bengal | Image: DD news
Jyoti Basu, Longest CM of West Bengal | Image: DD news

Since its inception in 1947, West Bengal has seen a diverse array of political leaders at its helm. The role of the Chief Minister is pivotal in navigating the socio-economic landscape of this culturally rich state. From the early days of independence to the historic 34-year Left Front rule and the current Trinamool Congress era, understanding who led the state and for how long offers a glimpse into Bengal's democratic journey.

Longest Serving Chief Minister of West Bengal

Jyoti Basu is the longest-serving Chief Minister of West Bengal who was one of the founding members of the Communist Party of India (Marxist). Jyoti  Basu served as the head of the Left Front government for five consecutive terms.

Key Highlights of Jyoti Basu’s Tenure:

  • Duration: 23 years and 137 days.

  • Period: June 21, 1977, to November 5, 2000.

  • Political Party: CPI(M).

  • Legacy: He was instrumental in implementing land reforms (Operation Barga) and the Panchayati Raj system, which significantly impacted rural West Bengal.

At the time of his retirement in 2000, he was the longest-serving Chief Minister in Indian history, a record later surpassed by Pawan Kumar Chamling of Sikkim and Naveen Patnaik of Odisha.

Who was the First Chief Minister of West Bengal?

The first "Premier" (the title used before the Republic of India was established) of West Bengal was Dr. Prafulla Chandra Ghosh. His term started  August 15, 1947 to January 22, 1948 form Indian National Congress. 

He was followed by Dr. Bidhan Chandra Roy, who is often referred to as the "Maker of Modern West Bengal" and served as the first Chief Minister after the formal adoption of the Indian Constitution in 1950, 

Total CM List West Bengal form 1947 

The following table provides a chronological list of the Chief Ministers of West Bengal and their respective tenures:

Sl. No.

Name of Chief Minister

Political Party

Tenure Period

1

Dr. Prafulla Chandra Ghosh

Indian National Congress

1947 – 1948

2

Dr. Bidhan Chandra Roy

Indian National Congress

1948 – 1962

3

Prafulla Chandra Sen

Indian National Congress

1962 – 1967

4

Ajoy Kumar Mukherjee

Bangla Congress

1967 (1st Term)

5

Dr. Prafulla Chandra Ghosh

Independent/PC Front

1967 – 1968

-

President's Rule

-

1968 – 1969

6

Ajoy Kumar Mukherjee

Bangla Congress

1969 – 1970 (2nd Term)

-

President's Rule

-

1970 – 1971

7

Ajoy Kumar Mukherjee

Indian National Congress

1971 (3rd Term)

-

President's Rule

-

1971 – 1972

8

Siddhartha Shankar Ray

Indian National Congress

1972 – 1977

9

Jyoti Basu

CPI(M)

1977 – 2000

10

Buddhadeb Bhattacharjee

CPI(M)

2000 – 2011

11

Mamata Banerjee

Trinamool Congress

2011 – Present

Jyoti Basu still remains the longest-serving Chief Minister of West Bengal, having led the state for an unprecedented 23 years in his  leadership, defining an era of land reform and political stability under the Left Front.  Mamata Banerjee is the current CM of West Bengal’s first Female  and second longest serving CM of the state. She has been in power since May 2011, currently serving her third consecutive term.

Also Read: PM Surya Ghar Muft Bijli Yojna: Objectives, Eligibility, Apply Online, Benefits and Latest Update

Manisha Waldia
Manisha Waldia

Content Writer

Manisha Waldia is an accomplished content writer with 4+ years of experience dedicated to UPSC, State PCS, and current affairs. She excels in creating expert content for core subjects like Polity, Geography, and History. Her work emphasises in-depth conceptual understanding and rigorous analysis of national and international affairs. Manisha has curated educational materials for leading institutions, including Drishti IAS, Shubhara Ranjan IAS, Study IQ, and PWonly IAS. Email ID: manisha.waldia@jagrannewmedia.com

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First Published: Apr 11, 2026, 14:24 IST

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