(EnergyAsia, May 3 2012, Thursday) — The joint-owner of India’s newest oil refinery, the Guru Gobind Singh plant in Punjab state, said he is already planning to double its capacity to 18-million-tonnes/year.Steel billionaire Lakshmi N. Mittal disclosed his intention to reporters at last week’s launch of the 215-billion-rupee plant in Bhatinda city, but did not…