 He was the founder of the National Militia, Bombay Youth League and the Congress Socialist Party and played a role in several peasant and trade union movements.He coined the term 'Simon Go Back' 

He coined the term "quit India" and was part of the Quit India Movement along with Mahatma Gandhi for India's last nationwide campaign for independence from the British Empire.He was a participant of underground movement and was in forefront of Quit India Movement.