http://www.worldoil.com WorldOil Billionaire’s exit prompts Sri Lanka to seek new oil explorer http://www.worldoil.com/news/2015/10/13/billionaire-s-exit-prompts-sri-lanka-to-seek-new-oil-explorer Sri Lanka will issue a fresh international tender for offshore oil and gas blocks after billionaire Anil Agarwal’s Cairn India Ltd. relinquished its exploration rights in the South Asian island.