<div>Oil retailers will suffer no losses on diesel after a hike in prices in September, says Goldman Sachs.</div><div> </div><div>That would mean diesel prices charged by retailers could be market-priced by September, the investment bank adds.</div><div> </div><div>India has been gradually raising diesel prices every month since January 2013.</div><div> </div><div>Oil retailers gain on Tuesday after Brent crude hits new 14-month low.</div><div> </div><div>Hindustan Petroleum Corp gains 1.9 per cent, Bharat Petroleum Corp rises 1.4 per cent while Indian Oil Corp advances 1.3 per cent.</div><div> </div><div>(Reuters)</div>