In addition to being an accredited trainer for the International Analog Forestry Network, Ajantha has been accredited as a Forest Garden Products (FGP) inspector. Since 1995 he has received various specialized trainings on sustainable agriculture and management of protected areas in Sri Lanka, Thailand and India. He has also published various publications on fauna and flora, organic agriculture and traditional knowledge, many of them within the framework of the Integrated Rural Development project in Nuwara Eliya.