Mamata Banerjee Mamata Banerjee, born on 5 January 1955, is an Indian politician who serves as the Chief Minister of West Bengal, a position she has held since 2011. She is the founder and leader of the All India Trinamool Congress (TMC), which she established in 1998 after splitting from the Indian National Congress. Banerjee's political career began as a youth leader in the Congress party, and she has held various ministerial positions in the central government. As Chief Minister, her tenure has been marked by efforts to improve rural infrastructure, health, and education in West Bengal. She is known for her populist policies and her strong stance against the central government's policies that she perceives as harmful to the state's interests. Banerjee's leadership has been characterized by her grassroots connection and her ability to mobilize large sections of the population in support of her policies and programs.