| Served in the Indian Administrative Service (I.A.S.), 1955-1989 |
| allotted the West Bengal Cadre |
| Post retirement honorary positions held: Executive Chairman, Council for Social Development, New Delhi |
| Chairman, (i) Bihar Land Reforms Commission, (ii) Central Advisory Committee on Panchayati Raj, Ministry of Panchayati Raj, Government of India, (iii) Expert Group on Rural Unrest, Planning Commission, Government of India, (iv) Bhagavatula Charitable Trust, Andhra Pradesh, (v) Study Group on Umbrella Legislation for the Unorganised Workers, the Second National Commission on Labour, (vi) National Science & Technology Entrepreneurship Development Board, Ministry of Science & Technology, Government of India, (vii) Minimum Wages Advisory Board, Ministry of Labour, Government of India, (viii) West Bengal Electronics Industry Development Corporation, Calcutta, 1993-98 and (ix) Indian Institute of Management, Calcutta, April 1992-April 1997 |
| Chairperson, Elmhirst Institute of Community Studies, Andrewspalli, Santiniketan |
| Member, (i) Audit Advisory Board of Comptroller and Auditor General of India, (ii) Senate, (Chancellor's Nominee), University of Calcutta and (iii) Court, University of Kalyani, West Bengal |
| Convenor, Task Force on Panchayat, Rajiv Gandhi Foundation |
| One Man Committee to Enquire into the Affairs of Indian Council of Historical Research, Ministry of Human Resource Development, Government of India |
| One Man Committee to Enquire into the Affairs of the Indian Institute of Advanced Studies, Shimla, Ministry of Human Resource Development, Government of India |
| Non-Executive Member of Board of Directors,(i) Indian Charge Chrome Ltd. Bhubaneswar, Orissa and (ii) Zoom Industries Pvt. Ltd., Kolkata |
| as a civil society activist, participated in the movements against forcible acquisition of fertile land and gross civil rights violation, since 2006 |
