- Secretary, Govt of India (empanelled)
- Additional Chief Secretary, Kerala
- Additional Secretary, Agriculture – Government of India
- Secretary to Chief Minister, Kerala
- Joint Secretary, Dept. of Atomic Energy, Govt. of India.
- Managing Director - NAFED
- Principal Secretary - Higher Education, General Administration, Forest & Wildlife, Secretary Affairs, Youth Affairs, Scheduled Caste/Scheduled Tribe Development, Kerala
- Labour Department
- Animal Husbandry and Dairy Development Department
- Revenue Board
- Director General, Institute of Parliament Affairs
- Founder, Central Planning & Monitoring Unit and Deputy Secretary, Planning and Economic Affairs, Government of Kerala
- Director, Year of Scheduled Castes & Scheduled Tribes and Joint Secretary, Planning & Economic Affairs and Harijan Welfare.
- Director, Kerala State Nirmithi Kendra (Building Centre)
- Director, Nirmithi National Institute of Habitat Management
- District Collector & District Magistrate, Kollam
- Managing Director, Kerala State Coir Corporation, Alleppey
- Managing Director, Foam Mattings Ltd.
- Asstt. Collector, Kannur
- Sub-Collector, Kasargod and Palai
- Officer, State Bank of India
- Secretary General, Global Nirmithi Net – GNN – an affiliate of the UN-Habitat
- India’s representative - European Council for Nuclear Research (CERN), Geneva
- India’s representative -International Fusion Energy Organisation, ITER, France
- Speaker, Global Energy Parliament, Geneva
- Member, UN-Expert Committee on Affordable Housing
- Chairman, Habitat Alliance (In consultative status with UN ECOSOC)
- Member Governing Council, UN Habitat
- Speaker at UN General Assembly (Special Session – 6th to 8th June, 2001), New York
- Speaker at UN-ECOSOC, New York, 2016
- Central Drought Relief Commissioner, Govt. of India
- Chairman, Kerala State Livestock Development Board
- Chairman, Kerala State Poultry Development Corporation
- Chairman, Kerala State Meat Products India Ltd.
- Chairman, Kerala Feeds Ltd.
- Chairman, Rehabilitation Plantations Ltd.
- Chairman, Diseases Prevention and Control Committee, Government of India – Kerala State
- Chairman, Overseas Development and Employment Promotion Consultants Ltd.
- Chairman, Kollam Municipal Council
- Chairman, Cashew Co-operative Apex Society (CAPEX)
- Chairman, Kollam Development Authority
- Director, Kerala State Film Development Corporation
- Director, Kerala State Scheduled Caste Development Corporation
- Director, Repatriates Co-operative bank
- Director, Employee’s State Insurance Corporation
- Director, Employee’s Provident Fund
- Director, Kerala State Development Corporation for Converted Christians and Recommended Communities Ltd.
- Member, Executive Committee, State Committee on Science, Technology and Environment, Government of Kerala.
- Member, General Council and Executive Committee, Kerala Agriculture University
- Convenor, State level committee for Prevention of Cruelty to Animals
- Member, Syndicate – Kerala Universities