Claim: Since 2011, Mamata Banerjee has actively served as Chief Minster of West Bengal.
Evidence: Mamata Banerjee -LRB- -LSB- mɔmɔt̪a bɔnd̪d̪oˈpad̪ʱˈae̯ -RSB- -LRB- Bengali - মমতা বন্দপাধ্যায় -RRB- also known as Didi was born 5 January 1955 -RRB- is an Indian politician who has been Chief Minister of West Bengal since 2011.