The All India Trinamool Congress (AITC) is a major Indian political party founded by Mamata Banerjee on January 1, 1998, after splitting from the Indian National Congress. Headquartered in Kolkata, it dominates West Bengal politics and serves as the third-largest party in India’s Parliament. AITC promotes secularism, social justice, and regional empowerment through its slogan “Ma Mati Manush” (Mother, Motherland, and People).