Biswa Bandhu Sen (23 May 1953 – 26 December 2025) was an Indian politician from Tripura. He served as the 11th speaker of the Tripura Legislative Assembly. He was a four time MLA from the 56-Dharmanagar Assembly constituency of North Tripura district.
Early life and education Sen was from Dharmanagar, North Tripura District, Tripura. He was the son of late Kali Mohan Sen. Sen completed his B.A. in 1975 at Maharaja Bir Bikram College, which is affiliated with Calcutta University. His wife was a retired government teacher.
Career Sen became an MLA for the first time winning the 2008 Tripura Legislative Assembly election representing the Indian National Congress defeating Amitabha Datta of the Communist Party of India (Marxist) by a margin of 2,410 votes. He retained the seat again on the Congress ticket in the 2013 Tripura Legislative Assembly election, beating Datta again by a margin of 1,844 votes. In 2017, he switched to the Bharatiya Janata Party and won the Dharmanagar seat in the 2018 Tripura Legislative Assembly election, defeating Abhijit De, also of the CPI (M) by a margin of 7,287 votes. He won a fourth consecutive term in the 2023 Assembly elections, beating Chayan Bhattacharya of the Indian National Congress by a margin of 1,098 votes.
Death Sen died from complications of a brain haemorrhage on 26 December 2025, at the age of 72.
Electoral performance Election Constituency Party Result Votes % Opposition Candidate Opposition Party Opposition vote % Ref2023Dharmanagar49.35%Chayan Bhattacharya46.45%2018Dharmanagar57.21%Abhijit De37.69%2013Dharmanagar50.99%Amitabha Datta45.77%2008Dharmanagar51.65%Amitabha Datta43.86%
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