In a landmark political shift, the Bharatiya Janata Party (BJP) secured a decisive victory in the 2026 West Bengal Assembly elections, winning approximately 206 out of 294 seats and ending 15 years of Trinamool Congress (TMC) rule led by Mamata Banerjee. This result marked the first time the BJP assumed power in the state. While multiple factors contributed to the outcome—including anti-incumbency against the TMC, governance issues, and strong central backing—one element stood out in post-poll analyses: the significant influence of developments in neighbouring Bangladesh.
West Bengal shares India’s longest land border with Bangladesh (over 2,200 km), and historical, cultural, and demographic ties between the two regions run deep, rooted in the Partition of India and subsequent migrations. Events in Bangladesh following the fall of Sheikh Hasina’s government in August 2024 provided the BJP with a potent narrative that resonated strongly with voters, particularly on issues of identity, security, and migration.
Violence Against Minorities and Hindu Consolidation
The political upheaval in Bangladesh after Hasina’s ouster led to widespread reports of violence targeting Hindus and other minorities. Incidents of mob attacks, lynchings, and targeted harassment were documented by human rights organisations and India’s Ministry of External Affairs. In West Bengal, these events triggered protests, including a notable demonstration in Kolkata in December 2025 outside the Bangladesh Deputy High Commission over the killing of a Hindu garment worker.
BJP leaders, such as Suvendu Adhikari, leveraged this situation to draw direct parallels. They argued that Hindus faced insecurity in Bangladesh while the TMC was accused of enabling illegal immigration and “appeasement” policies. This framing helped consolidate Hindu votes, which had not traditionally formed a solid bloc in the state’s politics. The BJP positioned itself as the defender of Hindu interests and border security, transforming a regional crisis into a local electoral advantage.
The Matua Factor and Politics of Memory
A crucial demographic in this shift was the Matua community—a large Scheduled Caste group with roots in East Bengal (now Bangladesh) and followers of the reformer Harichand Thakur. Concentrated in key constituencies, Matuas are largely descendants of refugees who migrated during and after Partition. Amid Bangladesh’s instability, the BJP’s campaign emphasised “politics of memory,” highlighting the need for protection through measures like the Citizenship Amendment Act (CAA) and robust verification of citizenship.
Despite some controversies over voter list revisions, the Matuas largely swung behind the BJP. The party’s promise of security for persecuted refugees from the east proved more compelling than local grievances, turning this community into a significant pillar of support.
Immigration, Demographics, and Border Security Narrative
At the heart of the BJP’s campaign was a strong focus on illegal immigration from Bangladesh. The party alleged that over one crore illegal Bangladeshi immigrants had been added to voter lists under TMC’s watch, contributing to demographic changes and creating “vote banks.” This narrative gained traction in border districts, where fears of Islamist influence rising in Bangladesh amplified concerns about security and cultural identity.
By framing the election as a choice between “refugee protection” and “infiltrator enablement,” the BJP broke West Bengal’s historical resistance to overt Hindu-Muslim polarisation. The campaign effectively used Bangladesh as a “mirror” for local anxieties, linking it to broader themes of civilisational security, NRC-style verification, and firm border control. This resonated particularly in districts along the international boundary, which the BJP swept.
Broader Context and Implications
High voter turnout (around 93%) reflected the intensity of these issues. While the TMC countered by accusing the BJP of communal politics and defended its record on welfare and minority rights, the Bangladesh-related narrative proved difficult to neutralise amid ongoing anti-incumbency.
The outcome aligns BJP governments at both the Centre and in West Bengal, potentially reshaping India-Bangladesh relations on critical matters such as border management, migration, water sharing (Teesta river), and trade. Analysts note that while the strategy polarised politics for some, it addressed genuine voter concerns over security and demography for others.
This election underscores how external events in a neighbouring country can profoundly influence domestic politics when tied to deep-rooted historical and identity-based issues. As West Bengal enters a new political era, the shadow of Bangladesh’s developments will likely continue to shape policy and discourse in the state.
About The Author
