The first such deal for the Indian oil and gas companies in the Gulf nation. : Abu Dhabi: India and the UAE today signed a concessional agreement awarding a consortium of Indian oil companies, led by the ONGC, a 10 percent stake in Abu Dhabi's offshore oil concession, the first such deal for the Indian oil and gas companies in the Gulf nation. The MoU between Indian Consortium (OVL, BPRL & IOCL) and state-run Abu Dhabi National Oil Company (ADNOC) was signed for the acquisition of 10 percent participating interest in the offshore Lower Zakum Concession.