International oil prices continue to be extremely volatile, falling on one day and rising thereafter, a top oil ministry official said explaining the reason behind no reduction in petrol and diesel prices despite softening in input cost, but could not say if the rates will be cut before Maharashtra elections.Global oil benchmark Brent crude futures fell below $70 per barrel last week -- the first time since December 2021 -- but gained thereafter. Brent was trading at $74.58 per barrel on Thursday while West Texas Intermediate advanced to trade at $71.71.