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Dataset Card: Bihar SIR Final Electoral Roll 2025
Dataset Summary
The Bihar SIR Final Electoral Roll 2025 dataset comprises official voter lists from the Election Commission of India (ECI) for Bihar's 243 assembly constituencies, published on September 30, 2025, following the Special Intensive Revision (SIR) with qualifying date July 1, 2025. It covers approximately 7.2 crore electors across 90,712 polling booths, available as downloadable PDFs from the ECI Voters' Service Portal (ECINet) for each Assembly Constituency (AC). This dataset supports election analysis, voter verification, and demographic studies ahead of the 2025 Bihar Legislative Assembly elections held November 6-11.
MAIN SOURCE
Data Overview
- Format: PDF files (digital/searchable or scanned), organized by AC number (1-243), part number, and polling station/booth.[5][7]
- Total Entries: 243 ACs with constituency-specific rolls; e.g., Valmikinagar (AC 1) to Chakai (AC 243). [attached_file][1]
- Key Fields (typical per elector entry): Elector serial number, EPIC number, name, father's/mother's/husband's name, age, gender, address, booth details.[8][5]
- Size: Booth-wise lists (20-40 pages each); full state download via constituency ZIPs.[5]
Source and Access
Sourced from ECI's official Voters' Service Portal at https://voters.eci.gov.in/download-eroll?stateCode=S04 (select "SIR Final Roll - 2025") and Bihar CEO site (ceoelection.bihar.gov.in). Final rolls shared with political parties post-claims/objections phase ending September 25, 2025. Users select state (Bihar/S04), roll type, AC, part, and download PDFs. [attached_file][2][9][10][11][7][1]
Licensing and Usage
Public domain data from ECI for official election purposes; respect privacy—do not republish personal voter details without anonymization. Suitable for research (e.g., turnout analysis, demographic mapping) but verify against official sources for accuracy. Note: ~47 lakh deletions during SIR; includes general, SC/ST reserved seats.[12][13][14][8]
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