New Delhi, Aug. 21 -- Petrol and diesel prices today, 21 August: Fuel rates stood steady across major Indian cities on Friday as only marginal adjustment was reported in some. This comes as global oil prices slipped a little after five-day rally. Indian customers remain insulated from global oil price volatility and fluctuation as state-run Oil Marketing Companies (OMCs) determine petrol and diesel prices.

*Source: Goodreturns

The global benchmark Brent plunged 0.7% to trade around $93.10 a barrel, poised to end the week more than 5% higher. Meanwhile, West Texas Intermediate for October also edged lower to trade around $86 a barrel following a five-session run of gains, Bloomberg reported.

The break in five-day rally follows US Presid...