Pawan Chamling led Sikkim for over 24 years (1994–2019), becoming the longest serving Chief Minister for any CM in India. A five-term chief minister from the Sikkim Democratic Front, he oversaw a period of political stability in the state. Chamling is often credited for pushing Sikkim into the country’s first 100% organic state.
Naveen Patnaik (Odisha) – 24 years, 99 days
2000 – 2024 (Continuous)
Naveen Patnaik governed Odisha continuously for 24 years (2000–2024), making him one of India’s most enduring CMs. Founder of the Biju Janata Dal, he built a reputation for clean, low-key governance. The disaster-management model, under him, especially during cyclones, won national and global repute.
Jyoti Basu (West Bengal) – 23 years, 137 days
1977 – 2000 (Continuous)
Jyoti Basu served as West Bengal CM for 23 years (1977–2000), one of the longest continuous terms in the country.
Basu, a senior CPI(M) leader, headed the Left Front government through successive mandates. He became a national figure, known for ideological clarity. He famously declined the PM post in 1996, calling it a “historic blunder” later.
Gegong Apang (Arunachal Pradesh) – 22 years, 250 days
Multiple stints (1980s, 1990s, 2000s)
Gegong Apang ruled Arunachal Pradesh for over 22 years across multiple tenures spanning from the 1980s to the 2000s. Apang, who was primarily associated with the Congress, later shifted political affiliations to the BJP.
He is considered one of the Northeast’s most prominent political survivors.
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Lal Thanhawla (Mizoram) – 22 years, 60 days
Multiple stints (1980s, 1990s, 2000s, 2010s)
Lal Thanhawla served as Mizoram CM for over 22 years across five non-consecutive terms.
A senior Congress leader, he dominated state politics from the 1980s to 2018. Thanhawla is among the most experienced leaders to emerge from the Northeast.
Virbhadra Singh (Himachal Pradesh) – 21 years, 13 days
Multiple stints (1980s, 1990s, 2000s, 2010s)
Virbhadra Singh held the office for over 21 years as CM across six terms, making him Himachal’s defining political figure. A Congress stalwart, he held sway over the state’s politics for nearly four decades. Singh’s legacy remains deeply tied to the Congress’s dominance in the hill state.
Manik Sarkar (Tripura) – 19 years, 363 days
1998 – 2018 (Continuous)
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Manik Sarkar governed Tripura for almost 20 years (1998–2018), one of the longest uninterrupted tenures in India. A CPI(M) stalwart, with a reputation of the “cleanest” CM with an austere lifestyle, is credited for
emphasising welfare, literacy and public distribution reforms during his tenure. Sarkar’s fall in 2018 ended two decades of Left rule in the state.
Nitish Kumar (Bihar) – Approx. 19 years, 93 days
Multiple stints (including his 10th term)
The 9-time chief minister of Bihar, Nitish Kumar, took oath for the 10th time at the Rajbhavan on Thursday. Nitish has been serving the chair since 2005, excluding the short period in 2014, when he installed Jitan Ram Manjhi to the post, after his party suffered a massive loss in the 2014 general elections.
