Mamata Banerjee made history by becoming the first woman chief minister of West Bengal. Noted as a firebrand orator and popularly known as Didi meaning the elder sister to all her followers, she was the Railway Minister of the country before taking over as the CM. Banerjee started her political career in the seventies in the ranks of the Indian Congress Party, becoming member of parliament in 1984. From 1991 to 1993 she was Minister of Sport and Youth Affairs, during the government of PV Narasimha Rao.
In 1997, she left the Congress Party and founded her own party, called the All India Trinamool Congress, now known simply as the Trinamool Congress. In a few months, the Trinamool become the main opposition party in West Bengal, opposing the policy of Buddhadeb Bhattacharjee and the Marxist Communist Party of India.
In 2007 Mamata Banerjee began a fierce campaign in favor of the peasants forced to leave their lands for the construction of new industrial plants in Nandigram and Singur in the latter place the project has involved also the FIAT. To her struggles in favor of the farmers, in October 2007, suffered an attack to which it is passing.
In the elections of 2011, Trinamool Congress of Mamata Banerjee, in alliance with the SUCI, and with the INC Indian National Congress, has won the majority of seats in the Assembly of Bengal. The center-right alliance against the Left Alliance, the longest in the world junta government led by a party avowedly communist, but democratic winning 227 seats in total, of which 184 respectively obtained by the party of Mamata Banerjee from 42 INC and only 1 from SUCI.
Mamata Banerjee was sworn in as Chief Minister of West Bengal on May 20th 2011, the first woman to be Chief Minister of Bengal. Of her first acts as head of government was to return the property of 400 acres of land to farmers of Singur who had been dispossessed by the previous government to create special economic zones.