Oil and Natural Gas Corporation (ONGC) has reported a natural gas discovery in the Mahanadi Offshore Basin, located off the coast of Odisha. The find was made under the Samudra Manthan initiative and came from ONGC's very first exploration drill in this basin, making it a notable early success for offshore exploration along India's eastern coast. Key points for exams: the company is ONGC, the basin is the Mahanadi Offshore Basin, the State is Odisha and the initiative is Samudra Manthan.