Singapore Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to India was US$3.57 Thousand during 2019, according to the United Nations COMTRADE database on international trade. Singapore Exports of coke, semi-coke of coal, of lignite, of peat; retort carbon to India - data, historical chart and statistics - was last updated on May of 2024.