Effects of three different preparation techniques of Rasana 13 decoction on its chemical profile” Ranasighe RLDS, Wijesiriwardhana, Arawwala LDAM, De Silva RHSK Published on pg 160 Proceedings of International conference on Ayurveda, Unani, Siddha and Traditional Medicine ( 5^th ICAUST) “ Ayurveda: Inspiring Health & Happiness” Organized by the Institute of Indigenous Medicine, University of Colombo, Ragjagiriya on 27^th -29^th October 2017, Sri Lanka.