Barclays Plc, Deutsche Bank AG and Standard Chartered Plc are in talks to lend between $600 million and $750 million collectively to Adani Group, as part of discussions to refinance the debt taken to fund its purchase Ambuja Cements Ltd. If executed, the loan of as much as $750 million would be part of that broader refinancing. The talks havent yet concluded, and the amounts could still change.