Mumbai, March 4 -- The demand stems from a long-standing dispute concerning alleged gas migration from Oil and Natural Gas Corporation (ONGC) blocks to the KG-D6 Consortium's blocks, in which Reliance is a key partner.

The dispute dates back to a 2018 international arbitration award, where the KG-D6 Consortium, comprising RIL, BP Exploration (Alpha) Limited, and NIKO (NECO) Limited, was awarded approximately $1.55 billion against the Government of India's (GOI) claims. A single judge of the Delhi High Court upheld this award in May 2023. However, the GOI subsequently appealed the decision.

In a regulatory filing, RIL informed, "The Company had won arbitral award issued by an eminent international arbitration panel on July 24, 2018 again...