The Bharatiya Janata Party (BJP) has slammed West Bengal Chief Minister Mamata Banerjee, declaring that her recent remarks against Prime Minister Narendra Modi render her “not fit for a constitutional post” and accusing her of undermining the decorum expected of a senior elected officeholder. The backlash follows a fresh round of sharp criticism from Banerjee, who has repeatedly targeted Modi and the BJP‑led central government, calling their conduct “unconstitutional” and accusing them of turning the Constitution into a partisan instrument.​

BJP leaders and party spokespersons have described Banerjee’s comments as “emotional,” “undignified,” and politically charged, arguing that a chief minister should engage in policy and institutional debate rather than resort to personal attacks on the Prime Minister. Some BJP figures have pointed to past instances where Banerjee used what they alleged were vulgar or inflammatory expressions while targeting Modi, and have claimed that such language erodes the respect due to both the office and the individual. The party has framed these remarks as a sign of frustration with the BJP’s national dominance and a tactic to divert attention from governance challenges in West Bengal.

The immediate trigger for the latest row appears to be Banerjee’s public assertion that the BJP wants to replace the Constitution of India with its own party manifesto, a statement she has repeated in speeches and letters to the Prime Minister. In those interventions, she has accused the Union government of centralising power, bending federal norms, and using central agencies and financial levers to pressure opposition‑ruled states, especially her own. BJP leaders have hit back by accusing her of disrespecting the constitutional framework whenever it suits her political narrative and of running a “one‑state‑model‑state‑only” opposition that ignores national priorities.​

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The controversy has also exposed the broader ideological fault lines between the BJP’s vision of a centralised, “One Nation” governance model and Banerjee’s persistent defence of state autonomy and federal balance. In recent months, she has criticised the Modi government’s handling of calamities, including major floods, arguing that the Prime Minister politicises relief work and uses it as a stage for chest‑thumping. The BJP, in turn, has accused her of using such tragedies as opportunities to launch personal attacks and to portray the Centre as indifferent while the Union government highlights its support in funds and supplies.​

The exchange has further strained the already tense relationship between the BJP‑led Union government and the Trinamool Congress‑led Bengal administration, with both sides accusing the other of undermining cooperative federalism. For the BJP, Banerjee’s “not fit for constitutional post” jab epitomises what it calls her “divisive politics,” while her camp counters that the BJP’s response shows its intolerance for dissent and scrutiny. As national and state‑level elections loom in the coming years, these rhetorical clashes over constitutional propriety and the Prime Minister’s conduct are likely to remain a staple of India’s political debate.​

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