On 31 March 2013, its market capitalisation was INR 2.6 trillion (US$48.98 billion), making it India's second largest publicly traded company.[3][4] In a government survey for FY 2011-12, it was ranked as the largest profit making PSU in India.[5] ONGC has been ranked 357th in the Fortune Global 500 list of the world's biggest corporations for the year 2012.[6] It is ranked 22nd among the Top 250 Global Energy Companies by Platts.[7]