Buddhadeb Bhattacharya served as the Chief Minister of West Bengal from 2000 to 2011, representing the Communist Party of India (Marxist). He succeeded Jyoti Basu and was a key figure in Bengal's Left Front government. The other options are leaders from different states: Mayawati (Uttar Pradesh), Ramesh Pokhriyal (Uttarakhand), and Manik Sarkar (Tripura).