During that period the communists started the formation of mass movements and struggles of workers and peasants. Some of the prominent leaders of that period were M N Roy, Avni Mukherjee, Maulana Hasrat Mohani. The communists had a very important role in introducing and raising the slogan of complete independence in the freedom movement. The leadership of the communist party was responsible in the formation of all India organisations, like the All India Kisan Sabha, all India workers organisations and organisations of writers etc.

Haryana: Seminar on 100 years of Communist Party formation | Peoples Democracy