Transmission of Knowledge: An Appraisal using the Field of Indigenous Medical Knowledge in Sri Lanka.4^thInternational Conference on Ayurveda, Unani, Siddha and Traditional Medicine (4^th ICAUST 2016)“ Indigenous Knowledge for Health Challenges” Institute of Indigenous Medicine, University of Colombo. (Oral Presentation and Abstract)- ( 08^th 10^th December 2016)