The demand for liquefied petroleum gas (LPG) will surge to 15,000 tonnes a day in coming years from the current 4,500-5,000 tonnes as this is the only sector which has shown robust growth. Oil and Gas Regulatory Authority (Ogra) Chairman Masroor Khan said that two to three years back, LPG demand was 2,500 tonnes per day. Addressing a press conference along with LPG stakeholders and leadershi