New Delhi, Jan. 18 -- Malaysia's state-owned oil and gas company, Petroliam Nasional Berhad, or Petronas, is in talks with New York-based I Squared Capital to buy a majority stake in Amplus Energy Solutions Pvt. Ltd, one of India's largest rooftop solar power producers, in a potential deal worth about '2,700 crore, said two people aware of the development. Global oil giants are looking to diversify and invest in India's emerging green economy as the conventional hydrocarbon space undergoes technological disruptions. Norway's Statoil ASA, France's Total SA and Royal Dutch Shell Plc have also shown interest in investing in Amplus that has set up 350 megawatts of capacity across India. Russia's OAO Rosneft, the world's largest publiclytraded o...