The Income-Tax Department had in a January 22 order held that the Edinburgh-based firm made capital gains of Rs 24,503.50 crore when it transferred its entire India business from subsidiaries incorporated in Jersey, a tax haven, to the newly incorporated Cairn India in 2006.
It, according to the I-T Department, received Rs 26,681.87 crore for the asset transfer against its entire investment of Rs 2,178.36 crore (251.22 million pounds) in the India business.
The firm said the correspondence received from the Income Tax Department indicates that it was in respect of amendments introduced in the Finance Act, 2012 which seeks to tax prior year transactions under retrospective legislation.
"Cairn intends to take whatever steps are necessary to protect the company's interests and defend its position," the UK-based firm said.
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While the I-T Department has so far not raised a tax demand on Cairn Energy, it has ordered Cairn India not to allow the transfer of UK firm's residual stake into the company. It also ordered that the shares cannot be pledged or mortgaged.
In 2011, Cairn Energy sold its majority stake in Cairn India to mining group Vedanta for USD 8.67 billion. It still holds a 10.3 per cent stake in Cairn India.
"While this matter is being discussed, Cairn has been restricted by the Income Tax Department from selling its shares in Cairn India (valued at USD 1.0 billion as at December 31, 2013)," the statement of the Scottish firm said. "Cairn will continue to pursue its current exploration and development programme as planned."
The I-T Department started an investigation on January 15 to establish if capital gains tax was due from Cairn Energy's transfer of shares of Indian assets to Cairn India in 2006.
The scrutiny is on income tax assessments for the year ended March 31, 2007.