State-run Oil and Natural Gas Corporation (ONGC) and its partners, Cairn India and Tata Petrodyne are at loggerheads over the payment of cess and royalty at its CB-OS/2 block in the Gulf of Cambay, off western coast of Gujarat. The block includes the Lakshmi and Gauri fields.
The consortium is led by Cairn Energy, having participating interest of 40%. ONGC, the licensee, has 50% participating interest and Tata Petrodyne Limited 10% in the block.