All India Trinamool Congress
（重定向自AITC）
![](/Images/godic/202412/18/All_India_Trinamool_Congress_flag.svg5051.png")
![](/Images/godic/202412/18/All_India_Trinamool_Congress_logo.svg5051.png"){kind=logo}
![Mamata Banerjee, Chief Minister of West Bengal and leader of the All India Trinamool Congress.](/Images/godic/202412/18/Mamata_banerjee5051.jpg")
The All India Trinamool Congress (abbreviated AITC, TMC or Trinamool Congress) (Bengali:সর্বভারতীয় তৃণমূল কংগ্রেস) is an Indian regional political party based in West Bengal. Founded on 1 January 1998 as a breakaway faction of the Indian National Congress, the party is led by its founder and current Chief Minister of West Bengal Mamata Banerjee. Prior to the 2014 general election it was the sixth largest party in the Lok Sabha with 19 seats; following that election, it is currently the fourth largest party in the Lok Sabha with 34 seats.