- Luxan.M and Umashankar.K (2016), ‘What Matters Make Kilinochchi Paddy cultivators to Thrive?’ Tenth Annual Research Forum, Sri Lanka Agricultural Economics Association, pp. 12
- Jathukulan.S and Umashankar.K (2016), ‘Competitiveness of the Baking Industry in the Northern Province of Sri Lanka’ Tenth Annual Research Forum, Sri Lanka Agricultural Economics Association, pp. 16
- Mythreaji.K and Umashankar.K (2016), ‘Improving the Risk Bearing ability of Banana Farmer in Jaffna District through Thrift and Credit Cooperative Society (TCCS) to Ensure Food Security’. Annual Research Colloquium on Agrarian Studies in Sri Lanka, Hector Kobbekaduwa Agrarian Research and Training Institute, ISBN: 978-955-612-201-5.
- Shalini.P and Umashankar.K (2016), ‘A Stochastic Frontier Analysis of Technical Efficiency in small Holder Grape Production in Northern Region’. Annual Research Colloquium on Agrarian Studies in Sri Lanka, Hector Kobbekaduwa Agrarian Research and Training Institute, ISBN: 978-955-612-201-5.
- Luxon Reval.S and Umashankar.K (2015) Technical Efficiency and performance of the inland fisheries sector in Mannar District of Sri Lanka. Symposium of Scientific Sessions of National Aquatic Resources Research and Development Agency (NARA), pp.7-10
- Shanjeevan.L and Umashankar.K (2015) Rationale behind the decision making of Agricultural Land allocation of farmers in the Northern region of Sri Lanka Proceedings of the 71th Annual Sessions, Sri Lanka Association for the advancement of Science (SLAAS), 217/B, pp:26.
- Varatharubi.J and Umashankar.K (2015) Factors Affecting Consumers’ Willingness to Join (WTJ) and Willingness to pay (WTP) for Rain Water Harvesting System (RWHS) for Household Needs: A Case Study in the Northern Part of Sri Lanka. Tropical Agricultural Research Journal (2015) Volume:27(1) pp:75-87
- Latha.U and Umashankar.K (2015) Role of Mass Media in the Decision of the Consumer Desire to go for a Sustainable Fresh Water Alternative: A Case Study conducted Within Jaffna Municipal Limit. 1st International Conference on Dry Zone Agriculture-2015, Faculty of Agriculture, University of Jaffna, pp.50
- Tharshana.S and Umashankar.K (2015) Degree of vulnerability of Agriculture Oriented, Female Headed Households: Comparative Study with Evidence from Peninsular Jaffna. 9th Annual Research Forum of Sri Lankan Agricultural Economics Association (SAEA), pp.12
- Mythreaji.K and Umashankar.K (2015) Determinants of Risk Behaviour of Banana Cultivators: A Case Study in Jaffna Peninsula of Sri Lanka 9th Annual Research Forum of Sri Lankan Agricultural Economics Association (SAEA), pp.13
- Umashankar.K (2014) Policy for the development of Rice complexes targeting the major rice growing regions of Sri Lanka: A Project Report for Planning and promotion of agro food enterprises submitted to National Institute for Micro, Small and medium Enterprises, Hyderabad, India under the supervision of Dr.U.K.G. Rao and Professor.M.Subba Rao.
- Ansala.C.M and Umashankar.K (2014) Paddy farmers’ perception and attitude toward risk bearing: a case study conducted in Mullaithevu District. Proceedings of the 70th Annual Sessions, Sri Lanka Association for the advancement of Science, 210/B, pp:20.
- Kayaththiri.S and Umashankar.K (2014) Consumer preference and demand for the locally produced rice varieties in Sri Lanka. Proceedings of the 70th Annual Sessions, Sri Lanka Association for the advancement of Science, 211/B, pp:21.
- Gowsala.T and Umashankar.K (2014) Influence of Farming Background in the Nutritional status of preschool children in Jaffna Peninsula. 8th Annual Research Forum of Sri Lankan Agricultural Economics Association, pp.8.
- Latha.U and Umashankar.K (2014) Influence of communication skill in choosing the most viable and profitable marketing channel for red onion farmers in Jaffna district. 8th Annual Research Forum of Sri Lankan Agricultural Economics Association, pp.12.
- Sugirthan.P and Umashankar.K (2014) Loan Default and Its’ determinants among Small-scale farm households in Kilinochchi District. 8th Annual Research Forum of Sri Lankan Agricultural Economics Association, pp.10.
- Shylanthy.T, and Umashankar. K (2013), Factors Determining the Market Participation Decision of Commercial red onion Producers in the Jaffna District, Sri Lanka, Proceedings of the 69th Annual Sessions of SLAAS : 236/B pp.61.
- Geevakumaran.S and Umashankar. K (2013), Efficiency Portrait of Coconut Plantations in the Northern region of Sri Lanka. Proceedings of the 69th Annual Sessions of SLAAS : 234/B pp.59.
- Umashankar.K and Arunkumar. P (2013) Factors influencing Farmer’s Decision to Enter Forward Contract: A case study in the Vanni Region of Northern Sri Lanka. 7th Annual Research Forum of Sri Lankan Agricultural Economics Association, pp.7
- Latha.U and Umashankar.K (2013) Influence of Access and Availability of Information on the Adoption practices and Knowledge of Cash Crop Farmers in the Northern peninsular region of Sri Lanka. 7th Annual Research Forum of Sri Lankan Agricultural Economics Association, pp.8
- Umashankar.K and Arunkumar.P, 2012, Economic Assessment of the Sprinkler Irrigation System as against the Basin in Red Onion Cultivation: A Case Study in the Northern Dry Zone of Sri Lanka. Presented in the Annual research sessions of the Sri Lankan Agricultural Economics Association.
- Arunkumar.P and Umashankar.K, 2012, Groundwater Use Efficiency of Micro Irrigation System in Jaffna Peninsula pp 87- 100. Symposium proceedings of the water professionals’ day, Organized by the Postgraduate Institute of Agriculture and Geo-Informatics Society of Sri Lanka.
- Jena.S and Umashankar.K, 2011 Influence of farming background on the educational performance of ordinary level students: Evidence from Northern Sri Lanka. Presented in the Annual research sessions of the Sri Lankan Agricultural Economics Association.
- Nimalini.N and Umashankar.K, 2011, ‘Consumer preference towards fresh milk and imported spray dried milk powder’: A case study conducted in the Jaffna District’. Presented in the National research symposium on Agricultural Extension and Organizational management, University of Peradeniya.
- Prasath.S and Umashankar.K, 2011, Econometric analysis of the Market participation decision of fishermen in Jaffna district, Sri Lanka. Presented in the Annual research sessions of the Sri Lankan Agricultural Economics Association.
- Abirami.R and Umashankar.K, 2011,’Time allocation and the economic role of peasant farm women of Thenmaradchi Area, Evidence from Northern Sri Lanka. Presented in the Annual Research sessions of the Vavuniya Campus.
- Umashankar.K, 2011, Competence of the Sri Lankan Apparel Exports in the International Apparel Market. Presented in the Annual research sessions of the Sri Lankan Agricultural Economics Association.
- Bradhusha.N and Umashankar.K, 2011, ‘Economics of poultry production units in Jaffna district of Sri Lanka’. Presented in the National research symposium on Agricultural Extension and Organizational management, University of Peradeniya.
Currently working titles:
- Potential and possibilities of establishing Micro, Small, and Medium Agro based Industries in the Northern Region of Sri Lanka.
- Economics of Fresh water fisheries in the Northern Region of Sri Lanka
- Role of thrift and credit cooperative societies in building up of resilience among small holder farmers in Jaffna peninsula
- Measuring paddy farmers resilience to food insecurity: Application to the paddy farmers of Northern region of Sri Lanka