India, April 30 -- India is a diverse country with a vast history, comprising various states that contribute differently to its cultural, economic, and political landscape. Among them, West Bengal has played an important role in shaping India's past, particularly during the British Raj and the freedom movement.

West Bengal also has a strong political history shaped by several prominent leaders. Mamata Banerjee has held the post of chief minister for 15 years now, with her Trinamool Congress party having a strong hold in the state.

With voting for both phases of the West Bengal elections and results expected on May 4, a look at everyone who sat in the chief minister's seat since Independence:

Before the adoption of the Constitution of I...