They don't deserve complete credit, but do deserve equal credit for advocating and pushing through reforms that the Congress couldn't have done so easily. And t

They don't deserve complete credit, but do deserve equal credit for advocating and pushing through reforms that the Congress couldn't have done so easily. And there are differences in the communist politics in Kerala and West Bengal. In Kerala, Marxist philosophies dominated. Moreover, the anti-caste movement of the south, allowed the lower caste to thrive politically in Kerala, where as in Bengal it was still dominated by the upper caste (and some say that is why it lost political relevance there).