He also founded the department of sociology at the same university, but he resigned from his university positions during the hostile times of the then East Pakistan governor Abdul Monem Khan to become increasingly more active and engaged as a full-time leftist political activist and public intellectual to fight for the cause of oppressed peasants and workers in Bangladesh.
The majority of his books discuss the problems and possibilities of the democratic and socialist transformation of class society.
In his books he discusses a wide range of issues including the political economy and culture of capitalism, world socialist movements, communist movements in Bangladesh, the phenomena of militarism and military dictatorships in the Third World, criminalisation of politics, business, and so on.
His book titled Poverty Trade engages with the ideas of Dr. Muhammad Yunus and provides a critique of his concept and practice of micro-credit.
[11] In that interview he said,The misery of humans can't be explained if there is an all knowing, all seeing, all powerful Allah... Once a mother went to the hospital leaving her child outside.