An exclusive business conclave for Investment Promotion on Graphene Technology was held at Kingsbury Colombo last weekend aimed at promoting investment in graphene technology, attracting a robust presence of both local and international investors. This high level platform was orchestrated by Eng. Keerthi Wickramarathna, Chairman of Ragedara Graphite Mines, a pioneer in the mining, research and production of vein graphite and graphene in Melsiripura, Sri Lanka.