Mamata vs Amit Shah: What changed since 2021 and what’s at stake now; Bengal battle explained

West Bengal enters a crucial electoral phase with Mamata Banerjee seeking a fourth consecutive term and the BJP, led by Amit Shah, looking to expand its position. This explainer breaks down what changed since the 2021 Assembly elections, how seat margins and vote shifts are shaping the contest, and what each side is banking on this time. With closely fought constituencies and key political issues in focus, the battle lines in Bengal appear tighter than ever.