Carlyle Group is looking to invest up to $2 billion in Reliance Industries' retail business. : BENGALURU (Reuters) - Private equity firm Carlyle Group is looking to invest up to $2 billion in Indian conglomerate Reliance Industries' retail business, financial daily Mint reported on Monday, citing people aware of the development. The deal, if finalized, would be Carlyle's biggest investment in an Indian company and would be its first in the country's retail sector, the paper reported.