March 5 (SeeNews) - The challenging task of restructuring and growing the business of Croatia Osiguranje [ZSE:CROS-R-A] now lies ahead following the approval by the government on Wednesday of the contract for the sale of a stake in the insurer to tobacco-to-tourism conglomerate Adris Grupa [ZSE:ADRS-R-A], the president of the managing board of Adris Grupa said.