France's GDF International S.A. plans to sell its entire 10% stake, worth over INR 2.9 billion, in Petronet LNG Limited (BSE:532522). GDF, a unit of French energy giant Engie Energía Perú S.A., has written to Petronet -- India's biggest importer of liquefied natural gas -- expressing its desire to exit the company. It has offered the stake to Petronet's principal promoters -- GAIL (India) Limited (NSEI:GAIL), Oil and Natural Gas Corporation Limited (NSEI:ONGC), Indian Oil Corporation Limited (BSE:530965) and Bharat Petroleum Corporation Limited (NSEI:BPCL).