Sinhala-Tamil Machine Translation (MT) system was developed based on a research conducted at Language Technology Research Laboratory under National Research Council and Information and Communication Technology Agency grants. Ultimate goal of this research is to develop a MT system for Sinhala-Tamil language pair to reduce the language barrier between Sinhala and Tamil communities and thereby to help solve a burning issue in the country. This MT system supports for both Sinhala to Tamil and Tamil to Sinhala translation directions.