Subir Nag (born 1973) is an Indian politician from West Bengal. He is a member of West Bengal Legislative Assembly from the Chunchura Assembly constituency in Hooghly district representing the Bharatiya Janata Party.
Early life and education Nag is from Chunchura, Hooghly district of West Bengal. He is the son of the late Sankar Ranjan Nag. He completed his Bachelor of Science at a college affiliated with University of Burdwan in 1995, and later did Diploma in Civil Engineering and passed the examinations conducted by the West Bengal State Council of Technical Education in 1996. He runs his own business and declared assets worth 3 crore in his affidavit to the Election Commission of India.
Political career Nag won the Chunchura Assembly constituency representing the BJP in the 2026 West Bengal Legislative Assembly election. He polled 1,37,704 votes and defeated his nearest rival Debangshu Bhattacharya if the All India Trinamool Congress by a margin of 43,435 votes.
Electoral performance +West Bengal Legislative AssemblyYearConstituencyPartyVotes%OpponentPartyVotes%MarginResult2026Chunchura1,37,70453.96Debangshu Bhattacharya94,26936.9443,435 Won
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