BBC | PressroomBBC features the Dilmah Family at School of Tea HomePressroomBBCBBC features the Dilmah Family at School of Tea December 10, 2015June 14, 2025 Merrill J. Fernando, Founder of Dilmah tea speaks to BBCIn China, tea is a medicinal remedy. In India – no conversation is complete without it. And in the UK – it’s the answer to everything. Tea is a global industry is worth around $38bn, and competition is tough. The BBC’s Asia Business Correspondent Karishma Vaswani spoke with Merrill J Fernando, founder of Sri Lanka’s Dilmah Tea, to discover the secrets to their success.