West Bengal, Tamil Nadu, Assam, and Puducherry bypolls: Constituencies, candidates, result date and more

Representational Image | Photo Credit: The Hindu Five Assembly constituencies in West Bengal, Tamil Nadu, and Puducherry, and one Lok Sabha seat in Assam are heading for byelections. The byelections were necessitated following the resignations of elected legislators across the three States and the Union Territory for various reasons. Here’s all you need to know about the upcoming bypolls:When are the elections happening?The election for all the six seats will be held on October 6, 2026. The nomination process closed on September 16 and the election process is to be completed by October 11. When will the results be declared?The counting of votes will be held on October 9. Which are the seats heading for bypolls?Madurantakam and Dharapuram constituencies in Tamil Nadu, Thattanchavady constituency in Puducherry, Rejinagar and Nandigram constituencies in West Bengal head to the bypolls on Tuesday, along with the Nagaon Lok Sabha constituency in Assam.Why are the bypolls being held?In Tamil Nadu, vacancies arose in Madurantakam and Dharapuram following the resignations of Maragatham Kumaravel and P. Sathyabama, respectively.In Puducherry, the Thattanchavady constituency opened up after the resignation of Chief Minister N. Rangasamy, who retained the Mangalam constituency.In Rejinagar and Nandigram in West Bengal, it is due to the resignations of Humayun Kabir and Chief Minister Suvendu Adhikari, respectively.In Assam, the bypoll will be held in the Nagaon Parliamentary Constituency following the resignation of Pradyut Bordoloi.Who are the key candidates?Tamil NaduDharapuram TVK candidate P. Sathyabama AIADMK candidate K. Bhanumathi NTK candidate M. Karthika DMK candidate S. Suganya Communist Party of India candidate P. Lakshmanan Madurantakam DMK candidate, I. Paranthamen AIADMK candidate Kanitha Sampath CPI(M) candidate P. Suganthi TVK candidate Maragatham Kumaravel Naam Tamilar Katchi candidate Janakiraman Puducherry’s Thattanchavady AINRC candidate (backed by BJP and AIADMK) Ashok Anand Congress candidate E. Vinayagam DMK candidate K. Sethu Selvam CPI candidate A.M. Saleem Assam’s Nagaon AIUDF candidate Badruddin Ajmal Congress candidate Sibamoni Bora BJP’s Devasish Sharma Trinamool Congress candidate Abdul Salam West BengalNandigram BJP candidate Hasirani Rath Congress candidate Milan Pradhan Communist Party of India candidate Shanti Gopal Giri Rejinagar AJUP candidate Golam Nabi Azad Trinamool Congress candidate Rabiul Alam Chowdhury Congress candidate Abdullahil Kafi Democratic TMC candidate Safiuzzaman S.K. CPI(M) candidate Saeed Asad Ali BJP candidate Sakharav Sarkar Published - October 05, 2026 10:25 am IST