NEW DELHI: Even as the Bharatiya Janata Party (BJP) dominated the broader electoral landscape in several states, the Diamond Harbour assembly seat in West Bengal was clinched by the Trinamool Congress (TMC). Panna Lal Halder, the TMC candidate, secured a total of 1,19,320 votes, defeating his nearest rival, BJP candidate Dipak Kumar Halder, by a margin of 31,266 votes. Dipak Kumar Halder polled 88,054 votes and finished in second place, trailing significantly behind the winner. Halder maintained a commanding lead throughout the counting process.
Constituency Profile
Diamond Harbour is one of the 294 assembly constituencies in West Bengal. It is a General category seat located in the South 24 Parganas district. The constituency is part of the namesake Diamond Harbour parliamentary constituency, which is represented in the Lok Sabha by Abhishek Banerjee, the nephew of three-time Chief Minister Mamata Banerjee and the second-in-command in the All India Trinamool Congress (AITC).
Historical Election Results
In the 2021 assembly election, AITC's Pannalal Halder won the Diamond Harbour seat, defeating Dipak Kumar Halder, who had switched to the BJP ahead of that election. Prior to that, Dipak Kumar Halder had won the seat in the 2011 and 2016 assembly elections on a Trinamool ticket, making it three consecutive terms for the party until 2021. In the recent 2026 assembly polls, the Trinamool Congress entrusted Pannalal Halder with retaining the seat, while the BJP again fielded Dipak Kumar Halder.
Vote Share Comparison
In the 2021 election, the AITC secured 43.69% of the vote share in Diamond Harbour, while the BJP received 40.62% of the votes. The margin of victory for the TMC candidate in 2021 was narrower compared to the 2026 results, where Halder won by a more decisive margin of over 31,000 votes.
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