New Delhi, March 19 (Punjab khabarnama):Billionaire Gautam Adani’s group companies said they have not received any notice from the US Department of Justice over a potential bribery investigation, but its renewable energy firm Adani Green Energy stated it is aware of an investigation into potential violations of American anti-corruption laws by an unrelated third party.Meanwhile, JP Morgan said details of the reported investigation “are very scant, and the investigation itself might not lead to any successful prosecution.”