De Silva BGDNK. Inventive alternatives to dengue control: An overview of recent research findings. Plenary lecture- First International Conference on Bioscience and Biotechnology International Institute of Knowledge Management (ITIKM) and University of Sri Jayewardenepura. Intercontinental Hotel, Sri Lanka. 12th-13thJanuary, 2016.
De Silva BGDNK. Inventive alternatives to dengue control: An overview of recent research findings. Keynote speech-National Conference on Insect vector Biology. Department of Zoology, University of Jaffna. 10th February, 2017.
Pieris DC. Alternative therapy for cancer. 2nd International Conference on Bioscience & Biotechnology, TajSamudra, Colombo, Sri Lanka. 9th-10th March , 2017
De Silva BGDNK. Recent Insights into Dengue Vector Control. Guest Lecture-Second National Symposium on “Current Research Activities on Dengue” Molecular Medicine Unit, Faculty of Medicine, University of Kelaniya. 19thDecember, 2017.
Pieris DC. Alternative Medicines for Cancer. International conference on recent advances for quality enhancement in Science and technology. HMV College. Jalandhar. Punjab India. 16th-17th January, 2017