Oil & Natural Gas Corp, the Indian state-owned group...yesterday concluded negotiations in London to acquire a 25 per cent stake in the Greater Nile Oil Project from Talisman Energy of Canada...Mr Buckee [Talisman's CEO] has in the past been critical of non-governmental organisations, warning that their campaigns for his company to leave Sudan could be counter-productive. In October he said the Asian state-owned groups and Saudi princes vying for the assets were unlikely to be as enthusiastic about corporate social responsibility as Talisman.