Private insurer Bharti AXA General Insurance said on Wednesday it plans to double its business in the southern region by the end of the ongoing calendar year. "The company is planning to double its business in the southern region by the end of the calendar year 2012," the company said in a release. The general insurer, which has a premium collection to the tune ofRs 774 crore during April-February period, receives around 23 per cent of the total premium from the southern region of the country.