Energy Fuel price hikes resurrect strong marketing margin for OMCs Updated : June 17, 2020 05:25 PM IST The report states the need to further increase retail fuel price by Rs 2.4 per liter to boost net margin to Rs 1.91 per liter during June 16-30 and Rs 2.11 per liter on July 1. The brokerage noted that the gross refining margin (GRM) weakness remains a concern while large inventory gains appear imminent. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.