RG/2011/BT/10, NSF (2011) Anther culture with local Oryza sativa subsp. Indica (rice) germplasm for doubled haploid production
1996
RG/96/BT/01, NSF (1996) Agrobacterium mediated genetic transformation of Mangifera indica, Lycopersicon esculentum, and Brassica juncea, jointly with Dr. GAU Jayasekera
1993
RG/93/B/03, NARESA (1993) Induction and in vitro selection of some valuable mutations in the genus Psophocarpus
1993
AP/3/ii/93/S/6, University of Colombo (1993) Genetic improvement of some under-utilized crops of Sri Lanka
1991
91/S/6, University of Colombo (1991) Interspecific hybridization for the improvement of Dioscorea species and some other tuber crops of Sri Lanka
1986
RG/86/B/05, NARESA (1986) Characterization of Sri Lankan banana germplasm based on morphological, vegetative and biochemical characters, jointly with Dr. HN de Silva