Foreign institutional investors/ registered foreign portfolios investors can now invest up to 30 per cent of the paid-up capital of Petronet LNG under the portfolio investment scheme. The RBI has notified permitting fresh purchases by FIIs/RFPIs in Petronet LNG, as their holdings fell below the threshold limit. Foreign investors currently hold 22.45 per cent stake in the company. They can buy shares through the primary markets as well as stock exchanges.