India’s ruling Bharatiya Janata Party (BJP) secured a significant political victory on May 4 by winning control of West Bengal, a state long considered impregnable for the party due to its distinct cultural identity and strong regional leadership. This latest triumph marks a notable expansion for the BJP, which for decades has encountered formidable resistance from regional parties rooted in local linguistic and cultural traditions.

West Bengal was governed by the Trinamool Congress under Mamata Banerjee, whose party has long represented a powerful regional force challenging the BJP’s attempts to broaden its national footprint. The BJP’s decisive win in the state, where it claimed more than two-thirds of the legislative seats, signals the party’s growing ability to overcome entrenched regional barriers and appeal to a broader and more diverse electorate than previously expected.

The BJP’s ascent reflects decades of grassroots organization, leveraging the network associated with the Rashtriya Swayamsevak Sangh (RSS), a Hindu nationalist volunteer organization established nearly 100 years ago. Together, the RSS and BJP have built extensive institutional ties across Indian society, including labor unions, educational bodies, student organizations, and Hindu religious councils. This infrastructure has been central to consolidating the BJP’s political influence beyond its traditional Hindi-speaking northern base.

With a membership estimated at around 140 million, the BJP now stands as the largest political party in the world, surpassing even the Chinese Communist Party. Prime Minister Narendra Modi, the party’s leader, has garnered more votes than any politician in history, benefiting from sustained popular approval across multiple election cycles. His leadership has propelled India’s largest political movement, which champions a Hindu nationalist vision, into unprecedented prominence.

However, critics have raised concerns about the implications of the BJP’s dominance for India’s democratic institutions and social fabric. Detractors argue that the party’s rise has coincided with erosion of press freedom, increased communal tensions, and the marginalization of religious minorities. They have also challenged the fairness of elections, citing allegations of election commission manipulation, controversial voter roll purges before the West Bengal poll, and financial advantages stemming from dissolved political donation schemes.

Supporters of the electoral changes maintain that voter list updates were necessary to eliminate duplicates, ineligible names, and deceased individuals. Meanwhile, the BJP’s political rivals face declining influence: the Indian National Congress, once the dominant party, now holds only four states and has struggled to mount effective opposition to the BJP’s expansive coalition that crosses castes, languages, and regions.

The BJP’s consolidation coincides with India’s rising global stature as the world’s largest country by population, a military heavyweight, and an emerging economic superpower poised to challenge China’s influence in Asia. The West Bengal election outcome suggests that the BJP’s political reach may continue to broaden, shaping the future trajectory of India’s domestic landscape and its role on the international stage.

While critics hold out hope for a political rebalance in response to the BJP’s dominance, recent developments underscore the enduring strength of the Hindu nationalist movement in shaping India’s evolving political order.