Cairn Energy, the FTSE 250-listed oil and gas exploration and development group, has informed investors that it was contacted by the Income Tax Department of India to discuss income tax assessments for the year ending March 31st 2007. While discussions were ongoing, Cairn was instructed to hold its shares in Cairn India, in which is has around a 10% stake. "Cairn is co-operating to provide the necessary documentation and information as requested," a statement from the company read. NR