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Pawan Kumar Chamling served as Chief Minister of Sikkim from December 12, 1994, to May 26, 2019. His tenure lasted more than 25 years, making him the longest-serving Chief Minister in India. He held office continuously across multiple terms, guiding the state for over two decades and setting a national record for the longest period in the role. (Image: Wikimedia Commons)

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Naveen Patnaik governed Odisha from March 5, 2000, to June 11, 2024. His time in office crossed 24 years, placing him among India’s longest-serving Chief Ministers. Patnaik completed several consecutive terms and maintained steady control over the state’s administration, becoming one of the most enduring political leaders in the country during this period. (PTI Photo)

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Jyoti Basu serve

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