- Principle investigator- for the research grant from National Research Council Sri Lanka. Rs. 3,850,000 “Cancer stem cells targeted drug leads from Sri Lankan endemic plants for breast cancer”-2014-2017.
- Investigator: Development of anti cancer compound libraries-from NSF Sri Lanka-8 Million for first six months from a 85 Million five year project-2017-2021
- Principle Investigator: International research grant form International Foundation for Science (IFS) –USD 12 000 to carry out the project entitled “Preliminary screening of selected mangrove plants in Sri Lanka for anti cancer activity and isolation of active anti carcinogenic compounds from a selected plant. 2013-2015 (completed).
- Investigator (with five other principle investigators) for the research grant from Ministry of Higher Education Sri Lanka- Rs. 18.9 Million. “Drug leads from medicinal plants in Sri Lanka”: 2012-2015 (completed).
- Investigator for the research grant from ministry of indigenous medicine Sri Lanka- Rs. 370, 000. “Modifications of bleomycin induced cytogenetic changes by Sri Lankan herbal decoction of Nigella sativa Seeds, Hemidesmus indicus Roots and Smilax glabra rhizome on peripheral blood lymphocyte and its direct cytotoxicity on human hepatocellular carcinoma (HepG2 cells)”- 2011- (completed).
- Co-investigator: Determining the role of dengue NS1 in the pathogenesis of dengue infections- from National Research Council Sri Lanka. 5 Million-2015-2018.
- Co-investigator- National Science foundation – Grant number RG/2017/BS/01 Design and Synthesis of novel pullulan and chitosan based nano-polyplexes for gene therapy Grant money 1.52 M.
- Co-investigator-National Research Council- Grant No: 17-074- Molecular phylogeny of marine macro algae (sea weeds) present in Sri Lankan coasts and isolation of anti-cancer compounds to target oral cancers from marine macro algae. 4.9 M