Cairn India Limited is an independent oil and gas exploration and production company. The Company is part of the Vedanta Group. The Company has a portfolio of nine blocks - one block in Rajasthan, which contains multiple assets, two on the west coast and four on the east coast of India and one each in Sri Lanka and South Africa. The Company is producing oil and gas from Rajasthan, Ravva and Cambay. The oil and gas fields in Rajasthan constitute the company’s key assets. As part of its business activities, the Company also holds interests in its subsidiary companies, which have been granted rights to explore and develop oil exploration blocks in the Indian sub-continent. The Company had interest in various oil and gas blocks/fields, which include Ravva block, CB-OS/2 -Exploration, CB-OS/2 - Development & production, ON-90/1 - Exploration, ON-90/1 - Development & production, PR-OSN-2004/1, KG-ONN-2003/1, KG-OSN-2009/3 and MB-DWN-2009/1.