Commodities Petrol, diesel prices remain unchanged despite sharp fall in international crude prices Updated : April 20, 2020 09:25 PM IST Crude oil prices plunged on Monday with the West Texas intermediate (WTI) crude in the US falling below the $15 per barrel mark, the lowest level in 21 years. 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.