In 1940, the Communist Party of India attacked Gandhi's leadership for not fighting with the British. When Hitler invaded the Soviet Union in AD 1941, Moscow urged all the communist and progressive powers of the world to contribute to the struggle of Soviet Russia or the struggle of the Allies of the Soviet Union.
The general secretary of the CPI at that time, PC Joshi, expressed the view that the Muslim League was the dominant political organization. He urged the Congress to accept the demand for a separate nation. In September 1942, the Central Committee of the CPI adopted this proposal - every part of the Indian population having allied territory, common historical tradition, common language, culture, psychological tendency, common economic life in their country, should be called an independent Indian. It should be granted a separate nationality with the right to reside as an autonomous state in the Center or the Union and it should also have the right to secede from the Center or the Union at will.
In the mid-1940s, E. M. S. Namboodiripad A. Of. Gopalan led a procession of Muslims in Kerala with slogans of Pakistan Zindabad and Mopalistan Zindabad. It is no wonder, therefore, that Khwaja Ahmad Abbas, a leftist, had to say that the C.P.I. caused damage to India which included providing a principled base to Muslim separatists.
In 1946, under the pressure of Rajni Palmdatta, a leader of the British Communist Party, the CPI. Changing its stand, Pakistan called Pakistan a conspiracy between British imperialism and Muslim capitalism. By that time it was too late for Muslim-communists to change their attitude.