The document discusses solar energy as the best option for Sri Lanka's future energy needs based on an interview with retired engineer Kanagalingam Gnanalingam. Some key points: 1. Mr. Gnanalingam has been passionate about solar energy since 1970 and believes it is the only way for Sri Lanka to achieve independence from fossil fuels. 2. He was involved in some of Sri Lanka's early solar projects in the 1970s and worked to introduce solar energy to rural homes and schools through his role at CEB. 3. Mr. Gnanalingam argues that solar energy is not only feasible but the best choice for Sri Lanka, as costs are decreasing and countries like India and Germany are