New Delhi: The 2026 by-election results have delivered significant political victories across Assam, West Bengal, Tamil Nadu and Puducherry, highlighting shifting electoral dynamics and providing a fresh test for the parties that formed governments following the recent Assembly elections.
In West Bengal, the Bharatiya Janata Party (BJP) registered decisive victories in Nandigram and Rejinagar. Hasi Rani Rath won the Nandigram seat by more than 1.22 lakh votes, setting a record margin for the constituency. BJP candidate Shankharavh Sarkar also secured a substantial victory in Rejinagar, defeating his nearest rival by more than 75,000 votes. The results strengthened the BJP’s position in the state following its electoral breakthrough earlier this year.
In Assam, the Nagaon Lok Sabha bypoll was another major contest. The seat became vacant after Pradyut Bordoloi, who had won it for the Congress in 2024, joined the BJP and subsequently won the Dispur Assembly constituency. The bypoll drew attention as the BJP, Congress and All India United Democratic Front competed for the parliamentary seat.
Tamil Nadu witnessed bypolls in the Dharapuram and Madurantakam Assembly constituencies. Both seats had been vacated by former AIADMK legislators Maragatham Kumaravel and P. Sathyabama, who resigned after supporting Chief Minister Vijay’s Tamilaga Vettri Kazhagam (TVK) government and joining the ruling party. The contests were closely watched as a test of TVK’s electoral strength following its rise to power.
In Puducherry, the Thattanchavady Assembly constituency went to a bypoll after Chief Minister N. Rangasamy chose to retain Mangalam, where he had also won in the Assembly elections. His candidate, Ashok Anand, emerged victorious in the by-election.
The results across the four regions carried significance beyond the individual constituencies. The BJP’s performance in West Bengal and Assam, alongside TVK’s contests in Tamil Nadu and the victory in Puducherry, offered an early indication of the political challenges and opportunities facing the parties after the recent state elections.
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