Falling for the fourth day in a row, the rupee declined by 20 paise to hit one-year low of 56.58 against the dollar in early trade today at the Interbank Foreign Exchange on increased demand for the American currency from importers.

The rupee had lost 21 paise to end at new 10-month low of 56.38 against the dollar yesterday on fag-end spurt in dollar demand after RBI Governor D Subbarao painted a dim macro economic picture.