Cairn Energy Wins Investment Treaty Arbitration Against India: Report

Cairn in March 2015 filed a formal dispute against a demand for more than $1.6 billion from the Indian tax department that dates back to the 2007 listing of its then Indian operation

source https://www.ndtv.com/business/cairn-energy-wins-investment-treaty-arbitration-against-india-over-tax-dispute-report-2342367