Started Political activities while a student; Vehemently participated in the activities of S.F.I. from 1971; Was S.F.I. office bearer of Ernakulam Maharajas College Union (1973-74); S.F.I. Ernakulam District President (1974-80); President, S.F.I. State Committee; Senior activist of Kerala Sasthra Sahitya Parishad from 1977; Academic Staff at the Centre for Development Studies; was State Planning Board Member from 1996 to 2001.

Published a number of articles on Economics, Planning and Politics in the leading Regional, National and International periodicals. Presented Lectures and papers in the National and International Conferences and Seminars such as (1) Seminar Organised by ILO- A.R.T.E.P. held at Colombo (1993), (2) Institute of Social Science, New Delhi (1996), (3) Montclair State University Faculty Seminar (1998), (4) Columbia University South Asian Institute Seminar (1998), (5) Conference on Decentralised Planning in Calcutta (1999), (6) Seminar held at Havens Centre University of Wisconsin, Madison (2000).

Published many books in Malayalam and English including (1) The Withering Coconut (1985), (2) Political Economy of Poverty (1985), (3) Economics Crisis in the Capitalist World(1987), (4) ABC of Political Economy(1987), (5) The World Bank and IMF (1988), (6) Kerala: Land and Man (1998), [Won Kerala Sahitya Academy Award], (7) Science and Social Revolution (1989), (8) Political Economy of Surrender (1992), (9) Peoples Planning: Theory and Practice (1998), (10) Peoples Planning: Questions and Answers (1998), (11) Modernisation and Employment : The Coir Industry in Kerala (With R. A. Van Stuijvenberg and K.N. Nair), (12)Local Democracy and Development: Peoples Campaign for Decentralised Planning in Kerala (with Richard W. Franke).

Now C.P.I. (M) State Committee Member; Professor, Centre for Development Studies.