The Communist Party of India (Marxist) CPIM, is India's most well-known national political party. It is a political party based on the left ideology with a communist philosophy. The communist philosophy was written by Karl Marx and Vladimir Lenin that promoted social justice, equality, and a stateless and classless society. CPIM claims to be an Indian working-class political party fighting for the rights of workers, peasants, and others. The Communist Party of India (CPI) split up in 1964, and its members founded the CPIM. As part of communist party coalitions, the CPIM established a significant presence in West Bengal, Tripura, and Kerala.