• Ph.D. (Agribusiness Management), University of Agricultural Sciences, Karnataka, India, 2006.
• M.Sc (Agricultural Economics), University of Agriculture, Malaysia, 1988.
• B.A. (Economics), Honors, University of Peradeniya, Sri Lanka, 1978, Field: Economic Statistics.
• Certificate in Advances in Data Analysis Using Statistical Application Software, Career Development Center, University of Agricultural Sciences, Karnataka, India, 2005.
• Certificate in Microcomputer Application in Higher Education, University of Agriculture, Malaysia, 1988.
• Certificate in Mathematics and Applied Statistics, Post Graduate Institute, University of Peradeniya, Sri Lanka, 198586.
• Certificate in Methods in Agro-climatic Analysis, University of Missouri (Colombia), USA, 1985
• Certificate in Economic Forecasting, Washington State University, USA, 1983.

Council for Agricultural Research Policy (2003-2006), scholarship offered for Ph.D. Programme

Winrock International for Agricultural Development (1985 - 1988), scholarship offered for Master Degree Programme.

• Senior Lecturer in Agricultural Economics, Faculty of Agriculture, Rajarata University of Sri Lanka,  Anuradapura January 2014 to current
• Additional Director, Hector Kobbekaduwa Agrarian Research & Training Institute, HARTI, July 2011 to December 2013.
• Deputy Director (Research), Hector Kobbekaduwa Agrarian Research & Training Institute, HARTI, March 2008 to July 2011.
• Research Fellow (Marketing), Hector Kobbekaduwa Agrarian Research & Training Institute, HARTI, November 2001 to  March 2008
• Marketing Economist, Hector Kobbekaduwa Agrarian Research & Training Institute, HARTI, 1998- 2001.
• National Project Coordinator, Marketing Intelligence and Food Information System Project, UNDPFAOSL, 1994-1999.
• Head of the Marketing and Food Policy Division, HARTI, 1990-1997
• Research & Training Officer, HARTI, 1980 - 1990.
• Assistant Lecturer, University of Peradeniya, 1979 - 1980
• Assistant Station Master, Department of Ceylon Government Railways, 1979.
• Principal Researcher, Study of Innovative Marketing Strategies, Under the Agricultural Modernization project, World Bank, March 2018-February 2020
• Researcher, Study of Impact Aassessment of Vocational Training in the Northern and Eastern Provinces, GIZ, March – May 2019
• Visiting Lecturer, Diploma in Rural Development, University of Sri Jayewardenepura, 2014 -2018 
• Principal Supervisor of  PhD candidate of Mr. M L Sandika, University of Ruhuna, 2017-2019
• External Examiner of evaluation of Ph.D. Thesis titled “The Impact of Aging Population  on Demand for Health Care Services in Sri Lanka” University of Keleniya, 2017
• External Examiner of evaluation of PhD Thesis of titled “Evaluation of Extension systems Approved by the Tea Small Holdings Development Authority of Sri Lanka, University of Ruhuna, 2017
• Team Leader, Impact Assessment of  selected Crops  of National Agribusiness Development Programme  jointly implemented by Government of Sri Lanka and International Fund for Agricultural Development (IFAD), June – July 2016
• Member, Scientific Advisory Board of International Journal of Livestock Research, 2016
• Team Leader, Baseline Survey of Agro Value Chain Development Project jointly implemented by Government of Sri Lanka and International Fund for Agricultural Development (IFAD), March – June 2016
• Consultant on Study of Cottage Industries, World Vision, October – December 2013
• Visiting Lecturer (Agricultural Economics)  – University of Rajarata, 2013
• Visiting Lecturer (Agricultural Marketing)  – University of Ruhuna, 2007 – 2013
• Business Development Consultant- Assessment of rural-urban linkages, April to June 2013, World Bank
• Marketing Consultant-Survey on Agricultural Distribution Network and Marketing September 2012 – January  2013, JICA
• Visiting Lecturer (Agricultural Marketing) Institute of Plantation Management, 2012-2013
• Visiting Lecturer ( Statistical Application and Dissertation writing), Faculty of Graduate studies, University of Colombo, 2011-2012   
• National Consultant, WFP Food Security Assessment Team in North, 2010 –2012
• Vesting Lecturer (Agricultural Marketing) – University of Jayawardenapura, 2011-2012
• Visiting Lecturer (Agricultural Marketing) – University of Colombo, 2008– 2010
• Marketing Consultant, IFAD Mission of Agribusiness Development Project for Sri Lanka July – August 2009   
• Consultant, Eastern  University of Sri Lanka, Study on rice paddy sector in Sri Lanka,  November 2007 – May 2008   
• Consultant (Agricultural Marketing)- Resource Development Center (RDC), Colombo, Sri Lanka,  July – October 2007
• National Consultant (Agricultural Marketing),  Food Security Project, FAO Sri Lanka, August - October 2007 
• External Supervisor - Rajarata University of Sri Lanka, August, 2002 - May, 2003.
• Marketing Consultant - Study of Analysis of the Impact of Government Intervention in the paddy, Purchase Programme, TEAMS Consultants in Development, July - August, 2002.
• Marketing Consultant - Aquatic Resources Development and Quality Improvement Project - ADB, January, 2002.
• Marketing Consultant - Ministry of Plan Implementation, Planning for Proposed Economic Center, Embilipitiya, June - December, 2001.
• External Supervisor - University of Jaffna, Sri Lanka, March - September, 2001.
• Lesson Writer, Agricultural Marketing, Open University of Sri Lanka, 1993- 2001.
• Visiting Lecturer/External Supervisor - Institute of Plantation Management,  1997 to 2000.
• Consultant, Study of Agricultural Marketing Information System  for Matale District, Regional Economic, Advancement Project, IFAD, 2001.
• Team leader, Study on Drought in Sri Lanka, Livelihood Options for Disaster Risk Reduction in South Asia Project, ITDG, May - March, 2001.
• National Consultant, Programme on Food Supply and Distribution to Cities, FAO August - September, 1999.
• Marketing Specialist, 2nd Perennial Crop Development Project, ADB, August - November, 1999.
• National Expert, FAO Programme on Collection and use of Marketing Statistics for Food Policy, June - July, 1999.
• Visiting LecturerSupervisor, Diploma Course in Development Planning, University of Colombo, 1993-1999.
• Researcher, Study of Agricultural Markets in Sri Lanka, World Bank, 1996- 1997.
• National Consultant, Study on Trade in Pulses in the Asia/pacific Region, CGPRT Center, UNDP, Indonesia, 1996.
• Visiting Lecturer, International Marketing, Technical College, Colombo, 1991- 1992.

University of Agricultural Sciences, Dharwad, Karnataka State, India, Gold Medal for Ph.D. in Agribusiness Management, 2006

• Resource person – Orientation programme for newly appointed Research staff of HARTI, February 2017
• Resource person – “Food supply chain” Training programme for Hotel staff, Aitken Spence – July 2011 December 2012
• Resource person-“Sri Lankan Agriculture: Challenges and Opportunities” – lecture delivered at  Training progarmme on Empowerment of Development of Officers of Department of Agrarian service organized by HARTI    
• Coordinator/ Resource Person – Training programme  on Agricultural Marketing Extension,  conducted at Dept. Agriculture in Ampara,  22-24 November 2010
• Coordinator/ Resource Person – Training programme  on Agricultural Marketing Extension,  conducted at District Agricultural Training  Center in Trincomalee,  08-10 November 2010
• Coordinator/ Resource Person – Training programme  on Agricultural Marketing Extension, conducted at Development Center of Mahaweli Authority,  Giradurukotte, 17-19 June 2010
• Coordinator/ Resource Person – Training programme  on Agricultural Marketing Extension, conducted at Development Center of Mahaweli Authority,  Giradurukotte, 22-24 October 2009
• Coordinator/ Resource Person – Training programme  on Agricultural Marketing Extension conducted at Training  Center of Department of Apiculture of Sabaragamuwa province, Rajawaka, 20-22 April  2009
• Corrdinator/Resource Person – Training Programme on Marketing Extension Conducted at Girithale Hotel in Polonnaruwa, 18 -24 May 2009
• Corrdinator/Resource Person – Training Programme on Marketing Extension Conducted at Girithale Hotel in Polonnaruwa, 12 -15 May 2008
• Resource Person – Training Programme on training of trainers for national training  of Agricultural Research and production Assistants,  27 -30 Nov. 2008
• Coordinator/Resource Person - Training Programme on Marketing Extension organized for Agricultural Officers of Uva province at Bandarawela on 13-14 January, 2003.
• Resource Person - Training Programme on Agribusiness held on 4-6 September 2002 at the Training Center of Department of Export Agriculture, Matale.
• Consultant - Workshop on Farmer Awareness on Market Information organized by CARE for farmers of Hambanthota district on 31st January - 1st February, 2002.
• Course Coordinator/Resource Person - Development of Marketing Information System for Hambanthota and Anuradhapura, Residential Training programme organized for field officers by CARE International, 18-19 May, Hambanthota & 1-2 June, 2001, Anuradhapura
• Course Coordinator-Resource Person - Training Programme on Marketing Intelligence Service for Livestock Officers Organized by the Ministry of livestock of Gannoruwa, 18-19 April, 2001.
• Resource Person - Training Programme on Marketing of Agricultural Commodities through Small Groups organized by the Provincial Ministry of Agriculture for Agricultural Instructors at Mahaelukpallam 26-28 March, 2001.
• "Agricultural Marketing" - Lecturer delivered at the training programme on Enterprise Development held in November, 2000 organized by HARTI.
• Resource Person - Training programme on Nutrition organized by the Department of Health Service, 1999 - 2000.
• Coordinator - Regular Training Programme on Agricultural Marketing, HARTI, 1993 - 2000.
• Visiting Lecturer - Training of Rural Youth in Trading of Agricultural Produce organized by the Sabaragamuwa University of Sri Lanka, 23 - 29 June, 1999,
• "Food Security" - Lectures delivered at the training programmes on Nutrition organized by the Ministry of Health for NGOs, May - June, 1999.
• "Agricultural Marketing and Role of the Co-operatives"- Lectures delivered at the training programmes for Field Officers of the Ministry of Cooperatives at Polgolla School of Cooperatives, November, 1998.
• "Agricultural Marketing: Concepts and Application" - Lectures delivered at the Training Programmes on Marketing for Farmers and Field Officers, Organized by the Ministry of Agriculture and Lands, 1996-1997.
• "Market Concepts" - Lecture delivered at the training programme on Group Marketing, organized by the HARTI, December, 1993.
• "Introduction to Agricultural Marketing, Marketing Problems and Group Marketing" - Lecture delivered at the training programme on Project Planning and Marketing for Agriculture, organized by the HARTI, December, 1992.
• "Marketing Concepts and Functions" - Lecture delivered at the programme on Small Farmer Group Marketing, organized by HARTI, February. 1992.

• "Agricultural Marketing : Practical Problems and Solutions" - Lecture delivered at the Workshop on Community Education for Small Farmers, organized by the University of Colombo, November 1991.
• "Rice Marketing in Sri Lanka" - Lecture delivered at the Training Programme on Agricultural Marketing, organized by the HARTI, September, 1991.
• "Data Collection and Analysis for Market Research" - Lecture delivered at the Training Programme on Agricultural Marketing, organized by the HARTI, September, 1991.
• "What is Marketing?" - Lecture delivered at the training programme on Agricultural Marketing, Organized by the HARTI, September, 1991.
• "Problems of Agricultural Marketing" - Lecture delivered at the training course for Institutional Organizers of Irrigation Department, June 1991.
• "Principal of Marketing Management" - Lecture delivered at the training course for Extension Officers of the Cashew Corporation, February 1991.
• "Methodology of Market Research" - Lecture Delivered at the training course on Marketing Research Organized by the Dept. of Animal Husbandry and Health, August 1990.
• "Consumer Behavior for Agricultural Products" - Lecture delivered at the Training Programme on Agricultural Marketing, May 1990.
•  "Data Collection and Analysis" - Lecture delivered at the Training Programme on Agricultural Marketing, May 1990.
• "Processing, Packing, Storage and Transport of Agricultural Commodities" - Lecture delivered at the training course in Marketing of Agricultural Commodities, organized by the Central Bank of Sri Lanka, February 1989.
• "Vegetable Marketing System in Sri Lanka" - Lectures delivered at the Training Programmes for Statistical Assistants, Organized by HARTI, 1985-1986.
• "Marketing Activities of Pettah Vegetable Wholesale Market" - Lectures delivered at the Youth Training Programmes for Business Activities, held at Polonnaruwa, Kandy, Kegalle, Kalutara, Matale, Ratnapura, Gampaha, Hambanthota and Anuradhapura, organized by the Agricultural Development Authority, 1985-1986.
• "Marketing of Agricultural Commodities" - Lectures delivered at the Small Farmer Organization Programme, Organized by the FAO/ARTI, June 1985.
• "Statistics for the ARTI Statistical Staff" - Conducted Classes, August - December 1981.

• Member of the Research and Training Committee , HARTI, 2017 to date
• Member of the research reports reviewing panel of HARTI, 2014 - to date
• Agricultural Economics Association, 2000 – to current
• Member of the paper reviewing panel of the International Research symposium, 2015, Faculty of Management Studies, Rajarata University of Sri Lanka
• Member of the paper reviewing panel of the ISAE 2014, Faculty of Agriculture, University of Ruhuna, 2014
• Member of paper reviewing panel of the annual Academic Sessions-2014, The Open University of Sri Lanka, 2014
• Member of editorial board of 6th Annual Research Symposium – 2014, Faculty of Agriculture, Rajarata University of Sri Lanka, 2014
• Member of Review committee of SLCARP International Research Symposium 2014, Council for Agricultural Research Policy (CARP), 2014 
• Member of Evaluation Committee of Land Reforms Commission May 2007 – 2013.    
• Agricultural Sub Committee of the Ministry of Policy Development and Implementation, March-November 2003.
• National Committee of Socio-economists and Policy Analysis, Sri Lanka Council for Agricultural Research Policy, January-November 2003.
• Study Group on Production, Consumption Prices and Marketing of Vegetables, appointed by the Cabinet Sub Committee on Cost of Living, November, 2002 - March, 2003.
• Study Group to Find Ways and Means of Stabilizing the Cost of Living appointed by Inter-Ministerial Committee on Food security, June - July, 2002.
• Committee on Paddy Appointed by the Prime Minister Office, July - August, 2002.
• Consultative Committee on Marketing of Essential Food Items, February - December, 2001.
• Cabinet Sub Committee on Food Marketing, January, 2000 - December, 2001.
• Consultative Committee, HARTI, February, 2000 - December, 2001
• Research and Training Committee, January, 1999-November, 2003.
• Presidential Task Force on Food security, 1998 - 1999.
• Marketing Unit, Ministry of Agriculture and Lands, 1995 - 1998.
• Task Force on Fruits, Ministry of Agriculture and Lands, 1995 - 1998.
• Food Security Committee, Ministry of Trade, Commerce and Food, 1994 - 1997.
• Research and Training Committee, HARTI, 1990 - 1997.
• Cabinet Sub Committee on Agricultural Marketing, 1995 - 1997.
• Cost of Living Committee, Cabinet Office, 1990 - 1994.
• Sub Committee on Market Information appointed under the Presidential Task Force on Non-traditional Export and Import Competition Agriculture, 1991.

• “Problems, Constraints and Opportunities of Development of Cottage Industries: Case study of Redeemaliyadda Divisional Secretariat Area” – Paper presented at the International Symposium on Agriculture and Environment organized by the University of Ruhuna Sri Lanka, 2014
• Guest Speaker, Young Business Technology Entrepreneurial Researchers congress, University of Kelaniya, 26 September 2013
• “Food prices –From Crisis to Stability” – Key note address made at the World Food Day Celebrations -2011 organized by the FAO on 14 October 2011
• “Global Food Crisis; opportunities and Challenges” – Lecture delivered at Workshop on Grown Campaign Launch organized by Oxfam on 18 October 2011.
• “Role of Socio Economic Research in Agricultural Development: Experience and Lessons from Sri Lanka”- Paper presented at the international conference on Agriculture Education and Knowledge management organized by IFPRI held in India on 24-26 August, 2010. 
• “Farm Economy after Independence of Sri Lanka” –Lecture delivered at the conference on National Food Week organized by HARTI on 22 June 2009
• “Policies On Food Security and Nutritional Insecurity in Sri Lanka”- Lecturer delivered at Workshop on Right to Food organized by Action Aid of Sri Lanka on 27 - 30Auguset, 2008  in Negombo.
• “Rice Production and Related Issues”- Lecture delivered at Post Graduate Diploma in Development Studies, Colombo University on  19 and  22 July 2008 
• Strengthening the Extension Services and Government Intervention in the market” -   Lecturer delivered at Workshop on Media Fellowship by Action Aid of Sri Lanka on 01- 02 July, 2008 in Colombo.
• “Rice Sector: Past Performance, Present Situation and Future Directions” – Lecture delivered at Council Meeting of CARP on 22nd February, 2007.
• “Concept Note on Agribusiness Development Project”– Paper submitted to the Ministry of Agricultural Development in January 2007.
• “Concept Paper on Vegetables and Fruits Exports” - Paper submitted to the Ministry of Agricultural Development in January 2007.
• “Comparative Analysis of Rice Marketing System in Sri Lanka during Pre and Post Liberalization period” - Lecture delivered at HARTI Study Circle Seminar on 26th January 2007. 
• "Agricultural Market Information System in Sri Lanka" – Paper presented at Workshop on Agricultural Market Information System" held in Taiwan organized by APO on 21 - 26 March 2003
• "Production and Marketing of Big Onion" - Paper submitted to Hon. Minister for Agriculture and Livestock in March 2003.
• "Vegetable Distribution System"-Paper submitted to the office of the Advisor on Sustainable Development, February, 2003.
• "Use of Marketing Information in Measuring Food Insecurity" - Paper presented at the workshop on Food Insecurity & Vulnerability Information Mapping System organized by FAO/HARTI on 24th January, 2003.
• "Marketing of Agricultural Products and Development of a Marketing Plan" Lecture delivered at the workshop on Development of a Marketing Plan" Lecture delivered at the workshop on Development of Loan Proposal for Farm planning Officers of the Second Perennial Crop Development Project (SPCDP) on 29 - 30 April, 2002, organized by the Ministry of Agriculture, Livestock and Samurdhi at HARTI.
• "Agricultural Marketing: Problems, Constraints and Solutions" Lecture delivered at the 30th Anniversary of the HARTI on 22nd February, 2002.
• “Management Aspects on Post-Harvest”   "Workshop on Asia - Pacific Regional Consultation on Post - Harvest" held in Philippines organized by FAO/GFAR on 5 - 8 December 2001
• "A Situation Analysis of Big Onion Production, Marketing and Imports" - Lecture delivered at the Workshop on Big onion organized by the Samurdi Authority on 14th June, 2001.
• "Agribusiness Development"-Report submitted to the Ministry of Agriculture in June, 2001.
• "Role of Marketing in Rural and Regional Development" - Lecture delivered at the Diploma in Public Management at SLIDA on 23rd April, 2001.
• "Organization and Operation of the Dambulla Dedicated Economic Center"- Lecture delivered at the Study Circle Seminar of HARTI, 7th March, 2001.
• "Domestic Marketing System for Paddy and Rice"- Paper presented at the Rice Symposium 2000, organized by the Department of Agriculture, 14-15, December, 2000.
•  "Recent Development of Food Marketing Infrastructure and its Impact on Rural Poor"- Paper presented at the Workshop on Socio Economic Impact of Infrastructure Development on Rural Poor" held in Indonesia organized by CIRDAP, 2-6, October 2000
• "Agricultural Marketing Issues, Problems and Government Policies" - Lecture delivered at the workshop for Field Officers of ADA at NIPM, Athurugiriya organized by ADA on 2nd September, 2000.
• "Agricultural Marketing Infrastructure Development - Project proposal prepared for JICA funding, July, 2000.
• "Price Projection for Food Crops for the last Six Month of the Year, 2000" - Paper submitted to the Ministry of Agriculture and Lands in June, 2000.
• "Estimation of Rice Requirements for Sri Lanka" - Paper submitted to the Ministry of Agriculture and Lands in June, 2000.
• "An Evaluation of the Significance of Rural Periodic Markets in the development of Central and North Central Province" - Concept paper submitted to the University of Jayawardenapura, Colombo, March, 2000.
• "Agricultural Produce Marketing" - Lecture delivered at the seminar on Business Development Programme organized by the SANASA Producer Consumer Alliance Ltd. on 26th February, 2000.
• "Agricultural Marketing: Concepts and Application"- Lecture delivered at the Farmers" workshop organized by the Second Perennial Crop Development Project at Kurunegala, 19th January, 2000.
• "Marketing Supports" Paper presented at the Workshop on National Policies and their Impacts on Food Security organized by National Academy of Sciences, 22-24 October, 1999.
• "Review of Transport System of Vegetables in Sri Lanka"- Paper presented at the 12th Annual Session of Chartered Institute of Transport in Sri Lanka, 9th October, 1999.
• "Employment and Income Situation in Non-Plantation Agriculture - Paper presented at the ILO National tripartite Workshop: Long Term perspective for Rural Employment at Poverty, organized by the ILO, Colombo, 1-3 October, 1999.
• "Food Supply and Distribution to Colombo - Paper presented at the Workshop on Food Supply and Distribution to the Cities in Sri Lanka, organized by FAO, Colombo, 23-24 September, 1999.
• "Market Information System"- Paper presented at the Workshop on Strengthening, Linkages between Rural Credit and Agricultural Extension and Marketing organized by UN-ESCAP, 5-6 August, 1999.
• "Collection and Use of Marketing Statistics for Food Policy in Sri Lanka"- Paper presented at the Experts Consultation Meeting on Development of Agricultural Statistics for Food Policy organized by FAO Regional Office, Bangkok, 28th June - July, 1999, Bangkok.
• "Organization and Operation of Marketing System for Low-country vegetables" - Lecture delivered at the Low-country Vegetables Crop Co-coordinators Meeting organized by the Department of Agriculture, on 7th June, 1999.
• Changes in Food Consumption under Liberalization"- Lecture delivered at the Annual Session of the Nutrition Society of Sri Lanka, MRI, and January, 1999.
• "Changing Food Demand and Crop Diversification"- Paper presented at the Study Meeting on Changing Food Demand and Agricultural Diversification" held in Japan organized by the APO, 11-19 November 1998.
• "Agricultural Marketing and Problems faced by the Cooperative sector and Solutions"- Paper presented at the workshop organized by the School of Cooperatives, November, 1998.
• "Present System of Vegetable marketing and the Use of Market Information System"- Paper presented at the Workshop on Production of High Quality Vegetables and Marketing organized by the EEC and Dept. of Irrigation, January, 1998.
• "Study of Dried Chillies Production and Marketing in Anuradhapura District 96/97 maha season" - Report submitted to Her Excellency the President of Sri Lanka, May, 1997.
• Private Sector Participation in Agricultural Development", Paper submitted to the National Development Council, May, 1998.
• The Importance of Market Transparency of Agricultural Produce for Farmer Empowerment" - Lecturer delivered at the Workshop on Dissemination of Food Commodity Price Information Via Media, organized by the FAO/HARTI, April, 1997.
• "Vegetable Price Fluctuation and Market Forces in Relation to Production and Availability of Vegetable"- Paper presented at the Workshop on Low Country Vegetables, organized by the Dept. of Agriculture, March, 1997.
• "Marketing of Agribusiness Products"- Paper presented at the Eighth Diploma in Plantation Management, organized by the Plantation Management Institute, March, 1997.
• "Review of Information Required for Food Security: Market Studies and Micro Level Studies" - Paper presented at the Seminar on National User - producer on Agricultural Statistics, organized by the Dept. of Census and Statistics, July, 1995.
• "Strategies and Action Plan for Marketing"- Concept paper submitted to the Ministry of Agriculture, Lands and Forestry, September, 1995.
• "Issues in Food Security: An Overview- Paper presented at the Symposium on Policy Issues in Agriculture, organized by the HARTI, December, 1993.
• "Agricultural Marketing"- Paper presented at the Symposium on Policy Issues in Agriculture, organized by the HARTI, December, 1993.
• "Production and Price Trends of Selected Fruits and Vegetables"-Paper presented at the Seminar on Macro Plan for Fruit Processing Industry, organized by the Ceylon National Chamber of Industry at the HARTI, October, 1992.
• "Promoting Agribusiness for Higher Productivity" - Paper presented at the International seminar on Agribusiness, organized by the APO, August, 1992, Jakarta.
• "Production and Marketing of Other Field Crops"- Lecture delivered at the seminar on Socio Economic Condition of the Kirindi Oya Farmers, organized by the ARTI, May, 1992.
• "Intensifying Land U0se in Irrigation Schemes with Other Field Crops: The Case for Import Substitution"- Paper presented at the Annual Session of Sri Lanka Association for the Advancement of Science, January, 1992.
• State of the ART for Agricultural Marketing Research Methods in Sri Lanka"- Paper submitted to the Secretary of the Ministry of Food and Co-operatives, December, 1991.
• "A Review of the Performance of the Paddy Marketing Board"- Discussion paper prepared for the parliamentary Consultation Committee Meeting, September, 1991.
• "Vegetable Production and Marketing" - Paper submitted to the Cost of Living Committee, January, 1991.
• "Marketing of Parsley, Mint, Lettuce and Coriander leaves"- Paper submitted to the Uvagrama Foundation, February, 1991.
• "Stabilizing the Cost of Living Via Improving Efficiency of Processing, Packaging, Storing and Transportation"- Paper submitted to the special Committee on Cost of Living Appointed by the Prime Minister, October, 1990.
• "Marketing and Pricing Policy on Rice"- Paper presented at the Rice Congress September, 1990.
•  "Fruit Production and Marketing"- Paper submitted to the Ministry of Agriculture, Development and Research, March, 1990.
• "Impact of Food Price Policy and Import Policy on Agricultural production"- Paper prepared for inclusion in the report on Agricultural Food and Nutrition, November, 1983.
• "An Analysis of marketing Costs and Margins of Beans". - Paper submitted to the Ministry of Agriculture Development and Research, October, 1983.

• “Role of Socio Economic Research in Agricultural Development: Experience and Lessons from Sri Lanka”- Paper presented at the international conference on Agriculture Education and Knowledge management organized by IFPRI held in India on 24-26 August, 2010. 
• Technical Committee Meeting of Center on Integrated Rural Development for Asia and the Pacific (CIRDAP) held in Iran, 26-29 July 2009
• Study tour to examine the System of Rice Intensification  programme being implemented by the Cambodian Government, 9 – 20 February, 2008  
• "Workshop on Analysis of Trade Liberalization Policies for Poverty Alleviation", held in Colombo organized by IFPRI, on 21-25 April 2003.
• "Workshop on Agricultural Market Information System" held in Taiwan organized by APO on 21 - 26 March 2003.
• "Workshop on WTO, Trade Policies and South Asian Agriculture" held in Bhutan organized by IFPRI and World Bank on 20-26 November 2002.
• Technical Consultation on the Development of the Regional Data Exchange System, held in Bangkok, Organized by FAO, on 8th August, 2002.
• "Workshop on Asia - Pacific Regional Consultation on Post - Harvest" held in Philippines organized by FAO/GFAR on 5 - 8 December 2001.
• "Workshop on Socio Economic Impact of Infrastructure Development on Rural Poor" held in Indonesia organized by CIRDAP, 2-6, October 2000.
• "Expert Consultation on Development of Agricultural Statistics for Food Policy" held in Bangkok organized by the FAO, 28th June - 1st July 1999.
• "Study Meeting on Changing Food Demand and Agricultural Diversification" held in Japan organized by the APO, 11-19 November 1998.
• Regional Workshop on "Market Prospect of Upland Crops in Asia", held in Indonesia, organized by the CGPRT of UN, 25 - 28 February 1997.
• Study Tour to examine the implementation of Market Intelligence and Food Information System in Malaysia and the Philippines, organized by the FAO, 2-16 June 1996.
• Workshop on Project Monitoring, organized by the FAO, held in Manila, 4-11 December 1993.
• Workshop on "Promoting Agribusiness for Higher Productivity", held in Indonesia, organized by the APO, 4-14 August 1992.