The Bharatiya Janata Party (BJP) has successfully weakened regional political parties across Eastern India through strategic campaigning and shifting voter patterns [1].
This shift threatens the traditional power balance of Indian politics, as the BJP moves to replace localized influence with a national binary contest. The decline of regional strongholds forces opposition parties to reconsider their independence to survive electorally.
In West Bengal, the impact has been particularly visible. A significant rally at Kolkata’s Netaji Indoor Stadium on Sept. 8, 2022, highlighted the BJP's growing reach in the region [1]. The venue, which holds about 14,000 spectators [1], served as a focal point for the party's efforts to dismantle the influence of Chief Minister Mamata Banerjee and her Trinamool Congress (TMC) [1].
While some analysts suggest this marks the end of an era for regional parties in the east, others see a path to revival [1, 2]. The Indian National Congress (INC), led by Rahul Gandhi, is currently attempting to reconsolidate these fragmented groups [2]. The INC is urging parties such as the TMC, and the Nationalist Congress Party (NCP), to return to a broader coalition [2].
This strategy aims to create a unified front capable of challenging the BJP's dominance. By offering a lifeline to struggling regional entities, the INC hopes to prevent the complete absorption of local political identities by the BJP [2]. The outcome of these negotiations will determine if the opposition can present a viable alternative in the general election cycle.
“The BJP’s electoral surge has been credited with toppling regional parties in Eastern India.”
The erosion of regional parties indicates a transition from a multi-polar political landscape to a bipolar one. If the INC fails to integrate these local parties into a cohesive alliance, the BJP may secure a permanent hegemony over Eastern India by eliminating the middle ground of regionalist politics.


