The dollar also strengthened against other currencies in the overseas markets.
The rupee resumed lower at 55.75 a dollar as against last closing level of 55.66 at the Interbank Foreign Exchange (Forex) Market and moved between 55.74 and 55.99 per dollar. It was quoting at 55.91 a dollar at 1040 hrs.
In the New York market, the dollar extended gains against most major rivals such as the euro yesterday.
Meanwhile, the BSE 30-stock index, Sensex, was trading down 46.85 points or 0.27 per cent to 17,394.02.
