"Our visit to participate in the festival is for initiating collaboration in indigenous heath care systems between Sri Lanka and the state of Kerala", he said.
Similar to Sri Lanka, the state has an "unique" indigenous health care system comprising Ayurveda, Siddha, Homoeopathy and Unani.Medicinal health care could progress when all the systems were included, Senarathne said.
Prime Minister Narendra Modi will inaugurate the "Vision Conclave" on February 2, to be held as part of the five-day festival.
About 5,000 delegates, including 400 from abroad, will participate in the GAF and about 500 firms will exhibit their products.